scholarly journals Kidney ventrally rotation technique in retroperitoneal robot-assisted partial nephrectomy for posterior hilar tumor: technical feasibility and preliminary results

2020 ◽  
Author(s):  
Xiaotao Yin ◽  
Sinan Jiang ◽  
Zhiqiang Shao ◽  
Yongliang Lu ◽  
Jiangxiang Guo ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Case Series ◽  
Surgical Margin ◽  
Operation Time ◽  
Positive Surgical Margin ◽  
Estimated Blood Loss ◽  
Rotation Technique ◽  
The Mean ◽  
Special Location ◽  
Hilar Tumor

Abstract Purpose: The retroperitoneal robotic assisted partial nephrectomy (RAPN) is suitable for tumors locating on the posterior side of the kidney. However, the posterior hilar tumor poses additional surgical challenge due to the special location and poor tumor exposure. A novel kidney ventrally rotation technique to overcome this difficulty during retroperitoneal RAPN was developed, and its efficacy was assessed in a consecutive case series.Methods: From April 2017 to April 2019, a total of 24 patients with posterior renal hilar tumor underwent retroperitoneal RAPN. The kidney ventrally rotation technique was applied in all these cases, which specialized in improving the exposure of posterior hilar tumor by rotating the kidney ventrally. Perioperative data was analyzed to evaluate the efficacy of this technique.Results: The mean tumor size was 4.3 ± 1.7 cm (range 2.5-8 cm), and the median R.E.N.A.L score was 9 (range 7-12). All the 24 patients underwent RAPN successfully without converting to open surgery or radical nephrectomy. The mean operation time was 80 ± 24 min, the mean estimated blood loss was 104 ± 65 ml, and the warm ischemia time was 17.4 ± 6.6 min. No sever complications occurred, and no positive surgical margin was found in all the malignant cases. After 14 months follow-up, no recurrence or metastasis occurred in all cases.Conclusion: Kidney ventrally rotation technique is safe and feasible for improving the exposure of posterior renal hilar tumor during retroperitoneal RAPN. It could be regarded as an efficient method for the management of posterior hilar tumor.KEYWORDS: robotic surgery; partial nephrectomy; posterior hilar tumor; retroperitoneal approach; kidney rotation

scholarly journals Kidney ventrally rotation technique in retroperitoneal robot-assisted partial nephrectomy for posterior hilar tumor: technical feasibility and preliminary results

2020 ◽  
Author(s):  
Xiaotao Yin ◽  
Sinan Jiang ◽  
Zhiqiang Shao ◽  
Yongliang Lu ◽  
Jiangxiang Guo ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Surgical Margin ◽  
Operation Time ◽  
Rotation Group ◽  
Control Group ◽  
Positive Surgical Margin ◽  
Retrospective Case ◽  
Estimated Blood Loss ◽  
Rotation Technique ◽  
Hilar Tumor

Abstract Purpose: The retroperitoneal robotic assisted partial nephrectomy (RAPN) is suitable for tumors locating on the posterior side of the kidney. However, the posterior hilar tumor poses additional surgical challenge due to the special location and poor tumor exposure. We developed a novel kidney ventrally rotation technique to overcome this difficulty during retroperitoneal RAPN, and evaluated its efficacy in a retrospective case-control comparative .Methods: From March 2016 to April 2019, a total of 39 patients with posterior renal hilar tumor underwent retroperitoneal RAPN. The kidney ventrally rotation technique, which improved the tumor exposure by opening the peritoneum and rotating the kidney ventrally, was applied in 24 cases and the conventional RAPN was performed in the other 15 cases (control group). Perioperative data was analyzed to evaluate the efficacy of the kidney ventrally rotation technique.Results: In kidney rotation group, the 24 patients underwent RAPN successfully without converting to open surgery or radical nephrectomy. The warm ischemia time was 17.4 ± 6.6 min, which was significantly shorter than 24.5 ± 8.3 min in control group. The mean operation time (80 ± 24 min) and estimated blood loss (104 ± 65 ml) were not different from control group. No sever complications occurred, and no positive surgical margin was found in all the malignant cases. After 14 months follow-up, no recurrence or metastasis occurred in all cases.Conclusion: Kidney ventrally rotation technique is safe and feasible for improving the exposure of posterior renal hilar tumor during retroperitoneal RAPN. It could be regarded as an efficient option for the management of posterior hilar tumor.

Does the day or season of operation predict biochemical recurrence after radical prostatectomy?

2009 ◽  
Vol 27 (15_suppl) ◽  
pp. e16162-e16162
Author(s):  
A. L. Hirsh ◽  
D. J. Lee ◽  
G. Hruby ◽  
M. C. Benson ◽  
J. M. McKiernan
Keyword(s):  
Radical Prostatectomy ◽  
Biochemical Recurrence ◽  
Cox Regression ◽  
Surgical Margin ◽  
Positive Surgical Margin ◽  
Urologic Oncology ◽  
Mortality And Morbidity ◽  
Estimated Blood Loss ◽  
Day Of The Week ◽  
The Mean

e16162 Background: Outcomes in hospital based medicine are associated with the experience and availability of the medical staff, as mortality and morbidity rates increase each summer with new medical graduates. Hospital staff members are thought to be more fatigued and less available towards the end of the week and on weekends. However it is not known if there is a difference of outcomes based on the season or day of the week. We sought to identify if different seasons or surgical days of the week can predict poor outcomes and biochemical recurrence (BCR) in radical prostatectomy (RP). Methods: A retrospective analysis of the Columbia Urologic Oncology database was performed. 1865 consecutive men underwent RP from 1991 to 2008 by three surgeons. Data was collected in an institutional review board approved registry, with median follow up of 36 months. BCR was defined as two consecutive PSA levels > 0.2 ng/ml. Stratified cox regression methods were used to model the relationship between surgeon, preoperative variables, season, day of the week, and BCR. Winter was defined as December through February, spring as March through May, summer as June through August, and fall as September through November. Results: The mean age of the men undergoing RP was 61.2 years (37–79), with a mean preoperative PSA of 8.12. 424 men (22.7%) had positive surgical margins, and the mean estimated blood loss (EBL) was 1119cc. Patient age (p=0.68), preoperative PSA (p=0.32), EBL (p=0.51), and positive surgical margin rate (p=0.78) were not significantly different between each day. Men undergoing RP did not have different rates of BCR according to the day of the operation (p=0.58) or season (p=0.997). The particular season and day of the operation were not significantly associated with BCR, and were not independent predictors of BCR in a multivariable model after adjusting for preoperative PSA, Gleason sum, tumor stage, and surgeon. Conclusions: Patient surgical outcomes and BCR rates after RP are not associated with the particular season or day of the week of the procedure. These findings suggest that men undergoing RP do not need to be concerned about the particular season or day when scheduling the procedure. No significant financial relationships to disclose.

scholarly journals Comparison of robotic and laparoscopic partial nephrectomy for small renal tumours

2017 ◽  
Vol 89 (2) ◽  
pp. 93 ◽  
Author(s):  
Abdulmuttalip Simsek ◽  
Abdullah Hizir Yavuzsan ◽  
Yunus Colakoglu ◽  
Arda Atar ◽  
Selcuk Sahin ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Functional Outcomes ◽  
Surgical Margin ◽  
Laparoscopic Partial Nephrectomy ◽  
Positive Surgical Margin ◽  
Robotic Partial Nephrectomy ◽  
Asa Score ◽  
Estimated Blood Loss ◽  
Renal Tumours ◽  
Significant Difference

Objective: To evaluate a single surgeon oncological and functional outcomes of laparoscopic partial nephrectomy (LPN) compared to robotic partial nephrectomy (RPN) for pT1a renal tumours. Materials and methods: Between 2006 and 2016, a retrospective review of 42 patients who underwent LPN (n = 20) or RPN (n = 22) by same surgeon was performed. Patients were matched for gender, age, body mass index (BMI), American Society of Anaesthesiologists (ASA) score, tumour side, RENAL and PADUA scores, peri-operative and post-operative outcomes. Results: There was no significant differences between the two groups with respect to patient gender, age, BMI, ASA score, tumours side, RENAL and PADUA scores. Mean operative time for RPN was 176 vs. 227 minutes for LPN (p = 0.001). Warm ischemia time was similar in both groups (p = 0.58). Estimated blood loss (EBL) was higher in the LPN. There was no significant difference with preoperative and postoperative creatinine and percent change in eGFR levels. Only one case in LPN had positive surgical margin. Conclusions: RPN is a developing procedure, and technically feasible and safe for small-size renal tumours. Moreover RPN is a comparable and alternative operation to LPN, providing equivalent oncological and functional outcomes, as well as saving more healthy marginal tissue and easier and faster suturing.

scholarly journals Positive surgical margin rates during the robot-assisted laparoscopic radical prostatectomy learning curve of an experienced laparoscopic surgeon

2017 ◽  
Vol 11 (11) ◽  
pp. E409-13 ◽  
Author(s):  
Anthony F. Adili ◽  
Julia Di Giovanni ◽  
Emma Kolesar ◽  
Nathan C. Wong ◽  
Jen Hoogenes ◽  
...  
Keyword(s):  
Radical Prostatectomy ◽  
Learning Curve ◽  
Surgical Margin ◽  
Margin Status ◽  
Laparoscopic Radical Prostatectomy ◽  
Positive Surgical Margin ◽  
Robot Assisted ◽  
Estimated Blood Loss ◽  
The Mean ◽  
The Impact

Introduction: Since its introduction, robot-assisted laparoscopic radical prostatectomy (RARP) has gained widespread popularity, but is associated with a variable learning curve. Herein, we report the positive surgical margin (PSM) rates during the RARP learning curve of a single surgeon with significant previous laparoscopic radical prostatectomy (LRP) experience.Methods: We performed a prospective cohort study of the first 400 men with prostate cancer treated with RARP by a single surgeon (BS) with significant LRP experience. Our primary outcome was the impact of case timing in the learning curve on margin status. Our analysis was conducted by dividing the case numbers into quartiles (Q1‒Q4) and determining if a case falling into an earlier quartile had an impact on margin status relative to the most recent quartile (Q4).Results: The Q1 cases had an odds ratio for margin positivity of 1.74 compared to Q4 (p=0.1). Multivariate logistic regression did not demonstrate case number to be a significant predictor of PSM. The mean Q1 operative time was 207.4 minutes, decreasing to 179.2 by Q4 (p<0.0001). The mean Q1 estimated blood loss was 255.1 ml, decreasing to 213.6 by Q4 (p=0.0064). There was no change in length of hospitalization within the study period.Conclusions: Even when controlling for copredictors, a statistically significant learning curve for PSM rate of a surgeon with significant previous LRP experience was not detected during the first 400 RARP cases. We hypothesize that previous LRP experience may reduce the RARP PSM learning curve.

scholarly journals Perioperative, oncological, and functional outcomes of the first robotic prostatectomy program in Quebec: Single fellowship-trained surgeon's experience of 250 cases

2013 ◽  
Vol 7 (9-10) ◽  
pp. 326 ◽  
Author(s):  
Naif Al-Hathal ◽  
Assaad El-Hakim
Keyword(s):  
High Risk ◽  
Functional Outcomes ◽  
Specific Antigen ◽  
Surgical Margin ◽  
Urinary Continence ◽  
Positive Surgical Margin ◽  
Transfusion Rate ◽  
Estimated Blood Loss ◽  
Surgeon Experience ◽  
The Mean

Background: Robotic-assisted radical prostatectomy (RARP) is being increasingly done in Canada. Despite this, the Canadian literature lacks publications on the oncologic and functional outcomes of RARP. The objective of this study is to report the longest single surgeon experience in the province of Quebec.Methods: We collected prospective data from 250 consecutive patients who underwent RARP by a single fellowship trained surgeon (AEH) from October 2006 to October 2012. Mean follow-up was 28 months (range: 1-72). The D’Amico risk stratification distribution was 34% in low-risk, 48% in intermediate-risk and 18% in high-risk groups.Results: The mean operation time (±SD) was 194 ± 60.6 minutes, and estimated blood loss 318 ± 179 mL. The transfusion rate was only 0.4%. All procedures were completed robotically. The mean hospital stay was 1.2 days, and 88% of patients were discharged on postoperative day 1. The mean catheterization time was 7 days (range: 6-13). There were 2% major (Clavien III-IV) and 7.2% minor (Clavien I-II) postoperative complications, and no mortalities. On final pathology, 76% of patients were organ-confined and 70% specimen-confined. Pathological Gleason sum ≥7 accounted for 86%. Return of urinary continence (0-pads) at 3, 6, 12, and 24 months was 73.3%, 83.5%, 92.3%, 96.5%, respectively. Potency rate (successful penetration with or without medication) at 6,12, and 24 months was 49.3%, 85%, and 95.3%, respectively. Operative time and positive surgical margin (PSM) in organ-confined disease (pT2) decreased significantly after 50 cases. Seventeen patients (6.8%) had no undetectable prostate-specific antigen (PSA) at first visit (PSA <0.1 ng/mL). Of the remaining 233 patients, biochemical recurrence (PSA >0.2 ng/mL) was 4.7% (11 patients), and another 3.4% (8 patients) received early salvage radiotherapy (rising PSA, but <0.2 ng/mL). No patients with undetectable PSA required salvage treatments within 6 months postoperatively.Conclusions: Our results compare favourably with high-volume RARP programs, despite mainly intermediate- to high-risk disease. Initial learning curve was estimated to be 50 cases. Fellowship training was instrumental in achieving adequate functional and oncological outcomes, while maintaining low complications rate.

scholarly journals Comparison of early experience laparoscopic versus open partial nephrectomy in terms of clinical, oncological and renal functional outcomes

2021 ◽  
pp. 116-123
Author(s):  
Mert Kılıç ◽  
Meftun Çulpan ◽  
Asıf Yıldırım ◽  
Turhan Çaşkurlu
Keyword(s):  
Local Recurrence ◽  
Partial Nephrectomy ◽  
Functional Outcomes ◽  
Surgical Margin ◽  
Renal Tumors ◽  
Positive Surgical Margin ◽  
Open Partial Nephrectomy ◽  
Renal Functions ◽  
Estimated Blood Loss ◽  
Zero Ischemia

Objective: Although laparoscopic partial nephrectomy (LPN) is minimally invasive, it is also a technically challenging procedure. Currently, open partial nephrectomy (OPN) remains the only alternative in many centers for T1 kidney tumors. We reported our initial experience of LPN compared to OPN regarding clinical, oncological findings and renal functions. Material and Methods: Between 2004-2013, 81 patients who underwent OPN (n=55) or LPN (n=26) for clinically T1 renal tumors were included. Perioperative and postoperative data were compared, retrospectively. Follow-up times for OPN and LPN groups were 72.9± 41.1 and 47.6± 32.4 months, respectively (p<0.05). Results: The mean tumor size and RENAL nephrometry scores were similar for both groups.  Zero-ischemia was performed in all of the LPN and 15% of the OPN procedures. Estimated blood loss and perioperative transfusion rates were higher in OPN group. Complications including grade < 3 and  ≥ 3 did not differ significantly between the groups. The decrease in creatinine-clearance at 6th month was statistically significant in OPN group, while stable in LPN. Positive surgical margin rates were 6.6% for OPN and 17.6% for LPN, p=0.19. One patient in LPN developed local recurrence and underwent nephrectomy. In OPN group,one local recurrence and one distant metastasis were observed in two independent patients. Both patients recieved tyrosine kinase inhibitor. Conclusion: Although LPN is accepted as a technically challenging procedure, LPN provided comparable outcomes to OPN including clinical, oncological findings and renal functions, even in the early learning phase. Zero-ischemia technique for LPN was feasible and safe with favorable perioperative and renal functional outcomes. Keywords: laparoscopy; learning curve; partial nephrectomy; renal cancer; surgical margins; zero-ischemia.

scholarly journals Radical prostatectomy outcomes in renal transplant recipients: a retrospective case series of Thai patients

BMC Urology ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Kun Sirisopana ◽  
Pocharapong Jenjitranant ◽  
Premsant Sangkum ◽  
Kittinut Kijvikai ◽  
Suthep Pacharatakul ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Radical Prostatectomy ◽  
Renal Transplant ◽  
Operative Time ◽  
Case Series ◽  
Urinary Continence ◽  
Renal Transplant Recipients ◽  
Transplant Recipients ◽  
Estimated Blood Loss ◽  
The Mean

Abstract Background The incidence of prostate cancer in renal transplant recipients (RTR) is similar to the general population. Radical prostatectomy (RP) is the standard of care in the management of clinically localized cancer, but is considered complicated due to the presence of adhesions, and the location of transplanted ureter/kidney. To date, a few case series or studies on RP in RTR have been published, especially in Asian patients. This study aimed to evaluate the efficacy and safety and report the experience with RP on RTR. Methods We retrospectively reviewed data of 1270 patients who underwent RP from January 2008 to March 2020, of which 5 patients were RTR. All available baseline characteristics, perioperative and postoperative data (operative time, estimated blood loss (EBL), complications, length of hospital stay, complication), pathological stage, Gleason score, surgical margin status, and pre/postoperative creatinine were reviewed. Results Of the 5 RTR who underwent RPs (1 open radical prostatectomy (ORP), 1 laparoscopic radical prostatectomy (LRP), 2 robotic-assisted laparoscopic radical prostatectomies (RALRP), and 1 Retzius-sparing RALRP (RS-RALRP)) prostatectomy, the mean age (± SD) was 70 (± 5.62) years. In LRP and RALRP cases, the standard ports were moved slightly medially to prevent graft injury. The mean operative time ranged from 190 to 365 min. The longest operative time and highest EBL (630 ml) was the ORP case due to severe adhesion in Retzius space. For LRP and RALRP cases, the operative times seemed comparable and had EBL of ≤ 300 ml. All RPs were successful without any major intra-operative complication. There was no significant change in graft function. The restorations of urinary continence were within 1 month in RS-RALRP, approximately 6 months in RALRP, and about 1 year in ORP and LRP. Three patients with positive surgical margins had prostate-specific antigen (PSA) persistence at the first follow-up and 1 had later PSA recurrence. Two patients with negative margins were free from biochemical recurrence at 47 and 3 months after their RP. Conclusions Our series suggested that all RP techniques are safe and feasible mode of treatment for localized prostate cancer in RTR.

Laparoscopic versus open partial nephrectomy for the management of highly complex renal tumors with PADUA score ⩾10: A single center analysis.

2021 ◽  
pp. 039156032110016
Author(s):  
Francesco Chiancone ◽  
Marco Fabiano ◽  
Clemente Meccariello ◽  
Maurizio Fedelini ◽  
Francesco Persico ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Operation Time ◽  
Renal Tumors ◽  
Open Partial Nephrectomy ◽  
Estimated Blood Loss ◽  
Significant Difference ◽  
Operative Complications ◽  
Group A ◽  
Group B ◽  
Post Operative Complications

Introduction: The aim of this study was to compare laparoscopic and open partial nephrectomy (PN) for renal tumors of high surgical complexity (PADUA score ⩾10). Methods: We retrospectively evaluated 93 consecutive patients who underwent PN at our department from January 2015 to September 2019. 21 patients underwent open partial nephrectomy (OPN) (Group A) and 72 underwent laparoscopic partial nephrectomy (LPN) (Group B). All OPNs were performed with a retroperitoneal approach, while all LPNs were performed with a transperitoneal approach by a single surgical team. Post-operative complications were classified according to the Clavien-Dindo system. Results: The two groups showed no difference in terms of patients’ demographics as well as tumor characteristics in all variables. Group A was found to be similar to group B in terms of operation time ( p = 0.781), conversion to radical nephrectomy ( p = 0.3485), and positive surgical margins ( p = 0.338) while estimated blood loss ( p = 0.0205), intra-operative ( p = 0.0104), and post-operative ( p = 0.0081) transfusion rates, drainage time ( p = 0.0012), pain score at post-operative day 1 (<0.0001) were significantly lower in Group B. The rate of enucleation and enucleoresection/polar resection was similar ( p = 0.1821) among the groups. Logistic regression analysis indicated that preoperative factors were not independently associated with the surgical approach. There was a statistically significant difference in complication rate (<0.0001) between the two groups even if no significant difference in terms of grade ⩾3 post-operative complications ( p = 0.3382) was detected. Discussion: LPN represents a feasible and safe approach for high complex renal tumors if performed in highly experienced laparoscopic centers. This procedure offers good intraoperative outcomes and a low rate of post-operative complications.

scholarly journals Bleeding during laparoscopic partial nephrectomy: Can a hemostatic matrix help to improve hemostasis?

2016 ◽  
Vol 88 (3) ◽  
pp. 228 ◽  
Author(s):  
Faruk Ozgor ◽  
Abdulmuttalip Simsek ◽  
Ozgu Aydogdu ◽  
Onur Kucuktopcu ◽  
Omer Sarilar ◽  
...  
Keyword(s):  
Partial Nephrectomy ◽  
Tumor Size ◽  
Operation Time ◽  
Demographic Characteristics ◽  
Ischemia Time ◽  
Nephrometry Score ◽  
The Mean ◽  
Group 1

Objectives: To evaluate the possible role of an hemostatic matrix on hemostasis, perioperative outcomes and complications in patients who underwent laparoscopic partial nephrectomy (LPN). Materials and methods: Patients charts were analyzed retrospectively and their demographic characteristics, operative parameters and follow-up results were recorded. Patients were divided into two groups, according to those who used an hemostatic matrix as Group 1 (n = 41) and those who did not used as Group 2 (n = 44). Demographic characteristics of patients, tumor features, operation time, clamping of the renal vessels, ischemia time, suturing of the collecting system, perioperative hemorrhage and complications were evaluated. Histopathological results, surgical margin status, creatinine level and recurrence at the 3rd month of follow up were analyzed. Statistical analyses were performed with SPSS 17.0 and significance was set at p value of &lt; 0.05. Results: The mean RENAL nephrometry score was 5.9 ± 2.0 and the mean tumor size was 35 ± 12 mm. All patients had a single tumor and 44 of them had a tumor in the right kidney. The renal artery was clamped in 79 cases and the mean ischemia time was 20.1 ± 7 minutes. The mean tumor size and the mean RENAL nephrometry score was statistically higher in Group 1 (p: 0.016 and p &lt; 0.001, respectively). Pelvicaliceal repair was more common in Group 1 due to deeper extension of tumors in this group (p: 0.038). In Group 1, less hemorrhage and blood transfusion requirement, with shorter ischemia and operation time was detected. Conclusion: The outcomes of the recent study showed that adjunctive use of an hemostatic matrix improves hemostasis and decreases hemorrhagic complications during LPN. Further prospective studies are required to assess the potential role of an hemostatic matrix in LPN.

scholarly journals Laparoscopic infrapyloric lymph nodes dissection through the right bursa omentalis approach for gastric cancer

BMC Surgery ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Kun Yang ◽  
Wei-Han Zhang ◽  
Kai Liu ◽  
Xin-Zu Chen ◽  
Xiao-Long Chen ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Lymph Nodes ◽  
Laparoscopic Gastrectomy ◽  
Operation Time ◽  
D2 Lymphadenectomy ◽  
Estimated Blood Loss ◽  
Bursa Omentalis ◽  
The Mean ◽  
Infrapyloric Lymph Nodes ◽  
The Right

Abstract Background A complete dissection of infrapyloric lymph nodes is the key to a curative gastrectomy, which can be sometimes technically challenging in laparoscopic surgery. Methods One hundred and eighteen patients with gastric cancer undergoing laparoscopic gastrectomy with D2 lymphadenectomy in which the infrapyloric lymph nodes were dissected through the right bursa omentalis approach were included. The clinicopathologic characteristics and surgical outcomes were analyzed retrospectively. Results The laparoscopic gastrectomy with D2 lymphadenectomy was successful in all 118 patients with no open conversion. The mean operation time was 246.6 ± 45.7 min. The mean estimated blood loss was 87.0 ± 35.9 mL. Postoperative complications occurred in 17.8% of the patients, which were treated successfully with conservative therapy or aspiration in all. There were no No.6 lymphadenectomy-associated complications, such as injury of transverse colon, vessels of mesocolon, pancreas or duodenum, no pancreatitis, pancreatic leakage or postoperative hemorrhage. The mean postoperative hospital stay was 9.6 ± 3.7 days. On average, the total lymph nodes harvested were 36.8 ± 12.9, in which the ones from the infrapyloric area were 5.1 ± 3.1. Conclusion Laparoscopic dissection of infrapyloric lymph nodes through the right bursa omentalis approach seems to be feasible and safe, facilitating a more complete No.6 lymphadenectomy for gastric cancer.

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