胃平滑肌肉瘤在胃肉瘤中较多见，原发于大网膜的脂肪肉瘤少见，而两种肉瘤先后发生者罕见。我们收治１例，报告如下。１病历摘要男患，４１岁，因上腹部包块、胀感４月余于１９９１年１月２日入院。于同月９日行手术治疗。术中见胃大弯侧中部向浆膜外生长１５ｃｍ直径分叶... Gastric leiomyosarcoma is more common in gastric sarcomas. Primarily fat liposarcoma in the omentum is rare, and two sarcomas occur in succession. We treated 1 case and the report is as follows. 1 Medical record summary Male patient, 41 years old, admitted to hospital on January 2, 1991 due to upper abdominal mass, swelling feeling more than 4 months. On the same month on the 9th surgery. Intraoperative see the middle side of the large curvature of the stomach to the serosa outside the growth of 15cm diameter leaf ...