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Sarcoma as opposed to carcinoma ranks low in the tumors of the gastric wall. Various percentages are given in the different clinics; it remains well under 5 per cent of the malignant conditions. Just why this is so is hard to understand unless we take into consideration the great amount of epithelial surface exposed to constant chemical and mechanical assault. The connective tissue elements are much less in relative amount and are little exposed to injury of any sort. In this respect the relative frequency of sarcoma and carcinoma of the stomach is comparable to the corresponding tumors of the uterus.
As to the etiology of sarcoma, here as elsewhere nothing is known; the point of origin is usually the musculature but may be any of the connective tissue elements of the organ. The diagnosis is rarely made. At most a tentative diagnosis of malignant tumor can be entertained. The
FARR CE. SARCOMA OF THE STOMACH. Arch Surg. 1926;13(1):75-80. doi:10.1001/archsurg.1926.01130070078005