scholarly journals Prognostic Significance of Altered ATRX/DAXX Gene in Pancreatic Neuroendocrine Tumors: A Meta-Analysis

2021 ◽  
Vol 12 ◽  
Author(s):  
Fei Wang ◽  
Xiaowu Xu ◽  
Zeng Ye ◽  
Yi Qin ◽  
Xianjun Yu ◽  
...  
Keyword(s):  
Overall Survival ◽  
Confidence Interval ◽  
Meta Analysis ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Pancreatic Neuroendocrine Tumors ◽  
Relapse Free Survival ◽  
Free Survival ◽  
Disease Free ◽  
Combined Data

BackgroundPancreatic neuroendocrine tumors (PanNETs) are a heterogeneous group of neoplasms with increasing incidence and unpredictable behavior. Whole-exome sequencing recently has shown very frequent somatic mutations in the alpha-thalassemia/mental retardation X-linked (ATRX) and death domain-associated protein (DAXX) genes in PanNETs. And the prognostic significance of altered ATRX/DAXX genes in PanNETs patients have been revealed in several reports. However, many of these include small sample size and hold controversial opinions. To increase statistical power, we performed a systematic review and meta-analysis to determine a pooled conclusion. We examined the impact of altered ATRX/DAXX genes mainly on overall survival (OS), disease-free survival (DFS) and relapse-free survival (RFS) in PanNETs.MethodsEligible studies were identified and quality was assessed using multiple search strategies (last search May 2021). Data were collected from studies about prognostic significance of altered ATRX/DAXX in PanNETs. Studies were pooled, and combined hazard ratios (HRs) with 95% confidence intervals (CIs) were used to estimate strength of the associations.ResultsFourteen studies involving 2313 patients treated for PanNETs were included. After evaluating for publication bias, disease-free survival and relapse-free survival was significantly shortened in patients with altered ATRX/DAXX gene, with combined HR 5.05 (95% confidence interval (CI): 1.58-16.20, P = 0.01) and 3.21 (95% confidence interval (CI): 1.44-7.16, P < 0.01) respectively. However, the combined data showed there were no difference between patients with altered ATRX/DAXX gene or not in overall survival, with a combined HR 0.71 (95% confidence interval (CI): 0.44-1.15, P = 0.23). We also performed a subgroup analysis with metastatic patients in overall survival, showing a combined HR 0.22 (95% confidence interval (CI): 0.11-0.48, P = 0.96). The small number of studies and paucity of multivariate analyses are the limitations of our study.ConclusionsThis is the first rigorous pooled analysis assessing ATRX/DAXX mutation as prognostic biomarkers in PanNETs. Patients with altered ATRX/DAXX gene would have poor DFS according to the combined data. And altered ATRX/DAXX genes in metastatic patients showed a trend towards improved overall survival, although the difference did not reach statistical significance.

scholarly journals The prognostic significance of microRNA-221 in hepatocellular carcinoma: An updated meta-analysis

2021 ◽  
Vol 36 (2) ◽  
pp. 172460082110326
Author(s):  
Wenfeng Liu ◽  
Keshu Hu ◽  
Feng Zhang ◽  
Shenxin Lu ◽  
Rongxin Chen ◽  
...  
Keyword(s):  
Hepatocellular Carcinoma ◽  
Overall Survival ◽  
Meta Analysis ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Progression Free Survival ◽  
Recurrence Free Survival ◽  
Free Survival ◽  
Hazard Ratios ◽  
Disease Free

Background Recently, microRNA-221 has been found to be abnormally expressed in hepatocellular carcinoma; however, its clinical value has not been summarised. This meta-analysis aimed to assess the prognostic significance of miR-221 in hepatocellular carcinoma. Material and Methods PubMed, Science Direct, Web of Science, Scopus, Ovid MEDLINE, EMbase, Google Scholar, the Cochrane Library, CNKI, CBM, VIP and Wanfang databases were searched for eligible articles. The endpoints included overall survival, progression-free survival, recurrence-free survival, metastasis-free survival, disease-free survival. Hazard ratios with 95% confidence intervals were used to explore the relationship between miR-221 expression and clinical survival results of liver cancer patients. Subgroup analysis and sensitivity analysis were performed. Begg’s test and Egger’s test were conducted to evaluate publication bias. Results A total of nine studies including 607 patients were recruited for this meta-analysis. The pooled hazard ratios displayed that high miR-221 expression was remarkably associated with poorer overall survival (hazard ratio = 1.91, 95% confidence interval: 1.53–2.38, p ＜ 0.01) and unfavourable progression-free survival/recurrence-free survival/metastasis-free survival/disease-free survival (hazard ratio = 2.02, 95% confidence interval: 1.58–2.57, p ＜ 0.01). The results of Begg’s test and Egger’s test did not exhibit obvious publication bias. Conclusions High expression of miR-221 can predict poor outcome of hepatocellular carcinoma. miR-221 can be used as a promising prognostic biomarker of hepatocellular carcinoma.

Thymidylate Synthase Expression and Prognosis in Colorectal Cancer: A Meta-Analysis of Colorectal Cancer Survival Data

2012 ◽  
Vol 27 (3) ◽  
pp. 203-211 ◽  
Author(s):  
Yao Chen ◽  
Cuihua Yi ◽  
Lian Liu ◽  
Bei Li ◽  
Yawei Wang ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Overall Survival ◽  
Adjuvant Chemotherapy ◽  
Thymidylate Synthase ◽  
Survival Data ◽  
Meta Analysis ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Free Survival ◽  
Disease Free

Background Although many studies have investigated the prognostic effect of thymidylate synthase (TS) in colorectal cancer, no consensus has been reached. The aim of this meta-analysis was to obtain a more precise estimate of the prognostic significance of TS expression in localized cancers treated by curative resection and adjuvant chemotherapy. Materials and method Seventeen eligible studies reporting survival in 2,893 patients stratified by TS expression were pooled using a fixed- or random-effects model. The main outcome measure was hazard ratio (HR). Results The overall HR for overall survival was 1.01 (95% CI 0.74–1.39, p=0.947), with an I2 of 64.4%. The total HR for disease-free survival was 1.36 (95% CI 0.97–1.89, p=0.072), with an I2 of 75.8%. In the TS protein-tested subgroup, the total HR for disease-free survival was 1.72 (95% CI 1.02–2.89, p=0.042), with an I2 of 81.3%. Conclusion Our meta-analysis showed that, in the adjuvant setting, TS expression does not predict a poorer disease-free survival or a worse overall survival. Therefore, we believe that it is inappropriate to regard TS expression as a prognostic factor for patients with stage II and stage III colorectal cancer treated by surgery and adjuvant chemotherapy.

scholarly journals Efficacy and Benefit of Postoperative Chemotherapy in Micropapillray or Solid Predominant Pattern in Stage IB Lung Adenocarcinoma: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 8 ◽  
Author(s):  
Congcong Xu ◽  
Kanghao Zhu ◽  
Dong Chen ◽  
Yuhang Ruan ◽  
Zixian Jin ◽  
...  
Keyword(s):  
Overall Survival ◽  
Confidence Interval ◽  
Lung Adenocarcinoma ◽  
Meta Analysis ◽  
Disease Free Survival ◽  
Hazard Ratio ◽  
Postoperative Chemotherapy ◽  
Free Survival ◽  
Stage Ib ◽  
Disease Free

Background: The benefit of postoperative chemotherapy remains controversial for patients with either a micropapillary or solid pattern in stage IB non-small cell lung cancer. This study is designed to explore the significance of postoperative chemotherapy in patients with either a micropapillary or solid pattern in stage IB lung adenocarcinoma.Method: To conduct the meta-analysis, PubMed, Cochrane Library, Embase and Medline were used to collect literature on long-term follow-up studies published before March, 2021, involving postoperative chemotherapy for patients with both a micropapillary or solid pattern in stage IB lung adenocarcinoma as compared to non-postoperative chemotherapy. Survival data was extracted from the literature, including the overall survival and disease-free survival. Based on overall survival and disease-free survival, hazard ratios and their 95% of confidence intervals were applied to assess the prognostic effect of postoperative chemotherapy. Review Manager software was used to merge the effect size for the meta-analysis.Result: In total, 6 papers with 956 patients were included. In terms of the prognosis of patients suffering from lung cancer when receiving postoperative chemotherapy, this study comprehensively reviews and evaluates the available evidence of micropapillary or solid patterns. After excluding the heterogeneity between the studies, we found that the pooled results from 6 studies report that postoperative chemotherapy was associated with a better overall survival rate when compared with non-postoperative chemotherapy (hazard ratio = 0.58, 95% confidence interval, 0.44–0.77; P = 0.0002). Postoperative chemotherapy also significantly improved the disease-free survival in patients with either a micropapillary or a solid pattern in stage IB lung adenocarcinoma (postoperative chemotherapy vs. non-postoperative chemotherapy, hazard ratio = 0.51, 95% confidence interval, 0.40–0.64; P < 0.001). However, a subgroup analysis showed that compared with non-postoperative chemotherapy, tumor size was unrelated to the prognosis of patients in stage IB undergoing postoperative chemotherapy (hazard ratio = 0.98, 95% confidence interval, 0.94–1.02; P = 0.27).Conclusion: Postoperative chemotherapy results in a better long-term survival rate for patients with either a solid or a micropapillary pattern in stage IB lung adenocarcinoma. Multi-center, prospective, clinical trials are needed to validate our findings.

Overexpression of Special AT-Rich Sequence-Binding Protein 1 in Endometrial Cancer: A Clinicopathologic Study

2015 ◽  
Vol 25 (1) ◽  
pp. 4-11 ◽  
Author(s):  
Yu Zhang ◽  
Le Wang ◽  
Yunduo Liu ◽  
Fanling Meng ◽  
Shuxiang Wang ◽  
...  
Keyword(s):  
Overall Survival ◽  
Endometrial Cancer ◽  
Confidence Interval ◽  
Binding Protein ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Free Survival ◽  
A Genome ◽  
Satb1 Expression ◽  
Disease Free

ObjectiveSpecial AT-rich sequence-binding protein 1 (SATB1), as a genome organizer, serves important functions in tumor progression and metastasis. The SATB1 is overexpressed in various malignant tumors. However, the expression and prognostic value of SATB1 in endometrial cancer remain unknown. The aim of this study was to explore the prognostic values of SATB1 expression in endometrial cancer.Methods/MaterialsWe investigated the expression of SATB1 in 172 untreated endometrial cancer tissues and 25 normal endometrial tissues through immunohistochemical staining. We also analyzed the association of SATB1 level with clinicopathologic parameters and determined its prognostic significance.ResultSpecial AT-rich sequence-binding protein 1 was expressed in 78 (45.3%) of the 172 endometrial cancer samples, but not in the normal endometrial samples. The positive expression of SATB1 was associated with clinicopathologic factors, such as International Federation of Gynecology and Obstetrics stage, histological grade, myometrial invasion depth, lymph node metastasis, vascular/lymphatic invasion, and recurrence. The patients with positive SATB1 expression had worse overall survival and disease-free survival rates than the patients with negative SATB1 expression (P< 0.001 for both). Multivariate Cox analysis indicated that SATB1 was an independent parameter for overall survival (hazards ratio, 2.928; 95% confidence interval, 1.072–7.994;P= 0.036) and disease-free survival (hazards ratio, 2.825; 95% confidence interval, 1.111–7.181;P= 0.029).ConclusionsResults showed that SATB1 may be involved in tumor development and progression in endometrial cancer, may serve as a promising biomarker for predicting the prognosis of endometrial cancer patients, and thus may act as a novel target for treating endometrial carcinoma.

scholarly journals Prognostic Impact of Tumor Length in Esophageal Cancer:A Systematic Review and Meta-analysis

2020 ◽  
Author(s):  
Zhao Yang Wang ◽  
Yuanzhu Jiang ◽  
Wen Xiao ◽  
Xianbiao Xue ◽  
Xiangwei Zhang ◽  
...  
Keyword(s):  
Overall Survival ◽  
Meta Analysis ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Disease Specific Survival ◽  
Cancer Specific Survival ◽  
Free Survival ◽  
Tumor Length ◽  
Disease Free ◽  
Disease Specific

Abstract Background: In clinical work, it is increasingly finding that even for patients with the same TNM stage of esophageal cancer (EC), the prognosis of different patients is still very different. Tumor length has been analyzed as a possible independent prognostic factor in many studies, but no unanimous conclusion has been reached. Therefore, this review is expected to use meta-analysis to evaluate the association between tumor length and prognostic significance in EC patients.Methods: A systematic search for relevant articles was performed in the PubMed, Web of Science, and Embase. Hazard ratio and 95% confidence intervals (CIs) will be used as effective measures to estimate the correlation between tumor length and prognostic significance including overall survival, disease-free survival, progression-free survival, disease-specific survival, and cancer-specific survival. We will use the software STATA 15.0 to perform the meta-analysis to calculate the data synthesis. Results: Finally, 41 articles with 28, 973 patients were included in our study. Comprehensive statistical results showed that long tumor is an independent prognostic parameter associated with poor overall survival (OS) (HR=1.30; 95%CI: 1.21-1.40, p<.001) and disease-free survival (DFS) (HR=1.38; 95% CI:1.18-1.61, p<.001) in EC patients. Subgroup analyses also suggested a significant correlation between long tumor and poor OS. Sensitivity analysis and publication bias evaluation confirmed the reliability and stability of these results. Similar results can be obtained in analyses of progress-free survival (PFS), disease-specific survival (DSS), and cancer-specific survival (CSS). Conclusion: The results of this meta-analysis showed that the long tumor was related to the poor OS, DFS, PFS, DSS and CSS in EC patients. It was suggested that tumor length might be an important predictor of prognosis in EC patients，and it can be used as an independent staging index. Further well-designed and large-scale prospective clinical studies are needed to confirm these findings.

Comparison of clinical outcomes between enucleation and regular pancreatectomy in patients with non-functional pancreatic neuroendocrine tumors: a retrospective multicenter and propensity score-matched study

2021 ◽  
Author(s):  
Zhen Yang ◽  
Hengjun Gao ◽  
Jun Lu ◽  
Zheyu Niu ◽  
Huaqiang Zhu ◽  
...  
Keyword(s):  
Overall Survival ◽  
Postoperative Complications ◽  
Propensity Score ◽  
Propensity Score Matching ◽  
Neuroendocrine Tumors ◽  
Disease Free Survival ◽  
Pancreatic Neuroendocrine Tumors ◽  
Free Survival ◽  
Estimated Blood Loss ◽  
Disease Free

Abstract Objective There are limited data from retrospective studies on whether therapeutic outcomes after regular pancreatectomy are superior to those after enucleation in patients with small, peripheral and well-differentiated non-functional pancreatic neuroendocrine tumors. This study aimed to compare the short- and long-term outcomes of regular pancreatectomy and enucleation in patients with non-functional pancreatic neuroendocrine tumors. Methods Between January 2007 and July 2020, 227 patients with non-functional pancreatic neuroendocrine tumors who underwent either enucleation (n = 89) or regular pancreatectomy (n = 138) were included. Perioperative complications, disease-free survival, and overall survival probabilities were compared. Propensity score matching was performed to balance the baseline differences between the two groups. Results The median follow-up period was 60.76 months in the enucleation group and 43.29 months in the regular pancreatectomy group. In total, 34 paired patients were identified after propensity score matching. The average operative duration in the enucleation group was significantly shorter than that in the regular pancreatectomy group (147.94 ± 42.39 min versus 217.94 ± 74.60 min, P &lt; 0.001), and the estimated blood loss was also significantly lesser (P &lt; 0.001). The matched patients who underwent enucleation displayed a similar overall incidence of postoperative complications (P = 0.765), and a comparable length of hospital stay (11.12 ± 3.90 days versus 9.94 ± 2.62 days, P = 0.084) compared with those who underwent regular pancreatectomy. There were no statistically significant differences between the two groups in disease-free survival and overall survival after propensity score matching. Conclusion Enucleation in patients with non-functional pancreatic neuroendocrine tumors was associated with shorter operative time, lesser intraoperative bleeding, similar overall morbidity of postoperative complications, and comparable 5-year disease-free survival and overall survival when compared with regular pancreatectomy.

scholarly journals The prognostic significance of pretreatment serum γ-glutamyltranspeptidase in primary liver cancer: a meta-analysis and systematic review

2018 ◽  
Vol 38 (6) ◽  
Author(s):  
Yang Ou ◽  
Junwei Huang ◽  
Liping Yang
Keyword(s):  
Liver Cancer ◽  
Primary Liver Cancer ◽  
Meta Analysis ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Prognostic Impact ◽  
Free Survival ◽  
Effect Measure ◽  
Pretreatment Serum ◽  
Disease Free

Aim: To assess the prognostic value of the pretreatment serum γ-glutamyltranspeptidase (GGT) level in patients with primary liver cancer (PLC). Methods: Relevant studies were systematically searched online on Web of Science, PubMed, and Embase databases published until 9 October 2018. The end points were overall survival (OS), recurrence-free survival (RFS), and disease-free survival (DFS). Meta-analysis was conducted using hazard ratio (HR), and its 95% confidence interval (CI) as effect measure. Results: A total of 33 eligible studies with 9238 patients with PLC were included in this meta-analysis. The synthesized analysis showed that that higher serum GGT level was significantly related to poorer OS (HR: 1.79, 95% CI: 1.66–1.93, P<0.01), RFS (HR: 1.60, 95% CI: 1.46–1.77, P<0.01), and DFS (HR: 1.52, 95% CI: 1.33–1.73, P<0.01) of patients with PLC. Subgroup analyses demonstrated that the negative prognostic impact of higher serum GGT level on OS and RFS was still of significance regardless of ethnicity, pathological type, sample size, cut-off value, first-line treatment, and analysis type. Conclusion: The pretreatment serum GGT might be a predictive factor of poor prognosis for PLC patients.

Predictive Prognostic Value of Tissue-Based MicroRNA Expression in Oral Squamous Cell Carcinoma: A Systematic Review and Meta-analysis

2018 ◽  
Vol 97 (7) ◽  
pp. 759-766 ◽  
Author(s):  
G. Troiano ◽  
F. Mastrangelo ◽  
V.C.A. Caponio ◽  
L. Laino ◽  
N. Cirillo ◽  
...  
Keyword(s):  
Systematic Review ◽  
Overall Survival ◽  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Mirna Expression ◽  
Prognostic Value ◽  
Meta Analysis ◽  
Disease Free Survival ◽  
Free Survival ◽  
Disease Free

Oral squamous cell carcinoma (OSCC) is a common type of cancer characterized by a low survival rate, mostly due to local recurrence and metastasis. In view of the importance of predicting tumor behavior in the choice of treatment strategies for OSCC, several studies have attempted to investigate the prognostic value of tissue biomarkers, including microRNA (miRNA). The purpose of this study was to perform a systematic review and meta-analysis to evaluate the relationship between miRNA expression and survival of OSCC patients. Studies were identified by searching on MEDLINE/PubMed, SCOPUS, Web of Science, and Google Scholar. Quality assessment of studies was performed with the Newcastle-Ottawa Scale. Data were collected from cohort studies comparing disease-free survival and overall survival in patients with high miRNA expression compared to those with low expression. A total of 15 studies featuring 1,200 OSCC samples, predominantly from Asia, met the inclusion criteria and were included in the meta-analysis. Poor prognosis correlated with upregulation of 9 miRNAs (miR-21, miR-455-5p, miiR-155-5p, miR-372, miR-373, miR-29b, miR-1246, miR-196a, and miR-181) and downregulation of 7 miRNAs (miR-204, miR-101, miR-32, miR-20a, miR-16, miR-17, and miR-125b). The pooled hazard ratio values (95% confidence interval) related to different miRNA expression for overall survival and disease-free survival were 2.65 (2.07–3.39) and 1.95 (1.28–2.98), respectively. The results of this meta-analysis revealed that the expression levels of specific miRNAs can robustly predict prognosis of OSCC patients.

TP1.2.3Oncological Outcomes of Organ Preservation Strategies - Local Excision Procedures and ‘Watchful Waiting’ In Management of Low Rectal Cancers – A Systematic Review And Meta-Analysis

2021 ◽  
Vol 108 (Supplement_7) ◽  
Author(s):  
A R Aspari ◽  
V Ramesh ◽  
G Kumar ◽  
S N Narayanasamy ◽  
A O Gumber ◽  
...  
Keyword(s):  
Systematic Review ◽  
Overall Survival ◽  
Local Recurrence ◽  
Organ Preservation ◽  
Meta Analysis ◽  
Disease Free Survival ◽  
Distant Metastases ◽  
Free Survival ◽  
Rectal Cancers ◽  
Disease Free

Abstract Objective To evaluate local recurrence, metastases, and survival outcomes of `wait and watch’ (WW) strategy and local excision (LE) of tumours, in comparison to the present standard practice of total mesorectal excision (TME) for locally advanced rectal cancers. Data Sources MEDLINE, EMBASE, PubMed databases, and sources of Grey literature. Study Selection Randomised and non-randomised prospective studies, retrospective studies with propensity-score-matched analyses. Data Extraction and Synthesis These were carried out independently by two reviewers. A random-effects methodology was used for meta-analyses. Data was presented keeping with the 27-item PRISMA checklist. Main Outcomes The primary outcomes of interest were local recurrence, distant metastases, disease-free-survival and overall-survival, which were assessed in comparison to those associated with radical surgeries (TME). Results 7 of the 16 studies in the systematic review were included for the quantitative synthesis and meta-analysis. Local recurrence rates were comparable amongst patients in WW group and LE group to those undergoing TME. [Risk ratio (RR) 3.07/1.41; 95% Confidence Interval (CI) 0.86-10.95/0.66-3.01; P = 0.08/P=0.89 respectively]. Rates of distant metastases in the WW group and LE group were comparable to those undergoing TME [RR = 0.71/0.94; 95% CI 0.22-2.30/0.55-1.61; P = 0.56/ P = 0.83 respectively]. The median 3-year disease-free survival among patients undergoing WW, LE procedure, and TME were 88%, 80%, and 78.2% respectively; and the median 3-year overall survival among the three groups were 96%, 93%, and 89.5% respectively. Conclusions and Relevance Organ-preservation strategies appear to be a viable treatment option in the management of rectal-cancers. Further research is warranted to provide stronger levels of evidence on organ-preservation strategies.

scholarly journals Weight changes during chemotherapy for breast cancer

2002 ◽  
Vol 120 (4) ◽  
pp. 113-117 ◽  
Author(s):  
Luciano José Megale Costa ◽  
Paulo César Spotti Varella ◽  
Auro del Giglio
Keyword(s):  
Breast Cancer ◽  
Overall Survival ◽  
Body Weight ◽  
Weight Gain ◽  
Weight Change ◽  
Prognostic Significance ◽  
Disease Free Survival ◽  
Weight Changes ◽  
Free Survival ◽  
Disease Free

CONTEXT: Patients receiving adjuvant chemotherapy for breast cancer have a tendency to gain weight. This tendency has determining factors not completely defined and an unknown prognostic impact. OBJECTIVE: To evaluate weight change during chemotherapy for breast cancer in a defined population and to identify its predisposing factors and possible prognostic significance. DESIGN: Observational, retrospective cohort study. SETTING: Private clinical oncology service. PARTICIPANTS: 106 consecutive patients with breast cancer treated between June 1994 and April 2000, who received neoadjuvant (n = 8), adjuvant (n = 74) or palliative (n = 24) chemotherapy. INTERVETION: Review of medical records and gathering of clinical information, including patients’ body weights before treatment and at follow-up reviews. MAIN MEASUREMENTS: Body weight change, expressed as percentage of body weight per month in treatment; role of clinical data in weight change; and influence of weight change in overall survival and disease-free survival. RESULTS: There was a mean increase of 0.50 ± 1.42% (p = 0.21) of body weight per month of treatment. We noted a negative correlation between metastatic disease and weight gain (r = -0.447, p < 0.0001). In the adjuvant and neoadjuvant therapy groups there was a mean weight gain of 0.91 ± 1.19 % (p < 0.00001) per month, whereas in the metastatic (palliative) group, we observed a mean loss of 0.52 ± 1.21% (p = 0.11) of body weight per month during the treatment. We did not observe any statistically significant correlation between weight changes and disease-free survival or overall survival. CONCLUSIONS: Women with breast cancer undergoing adjuvant or neoadjuvant chemotherapy gain weight, whereas metastatic cancer patients will probably lose weight during palliative chemotherapy. Further studies are needed in order to evaluate the prognostic significance of weight changes during chemotherapy.

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