Saue g bru.ch (Deut. Med. Woch., 1922, No. 5) observed 3 cases of complete spontaneous healing of neoplasms, the certainty of the malignant nature of which was precisely established. another, in a woman of 56 years, - advanced breast cancer, in a third, in a 22-year-old girl, - spindle cell sarcoma of the hip. The author also cites a number of similar cases from the literature. Such cases, apparently, speak for the possibility of conservative treatment of malignant neoplasms with such means as x-rays, Proteinkrpertherapie, etc.