患者男，41岁。因上腹部包块、腹胀不适4月余于1991年1月2日入院，并于同月9日行剖腹探查。术中见胃大弯侧中部向浆膜外生长的15cm直径分叶状实性肿物，有蒂，不粘连。腹腔内淋巴结无肿大，给予根治性切除。肿瘤镜下示：瘤细胞密集，排列紊乱，部分呈束状或栅栏状，以梭形、椭? Male patient, 41 years old. Due to upper abdominal mass, abdominal distension discomfort for more than 4 months admitted to hospital on January 2, 1991, and on the same month on the 9th exploratory laparotomy. In the operation, the 15 cm diameter lobulated solid tumor that grows in the middle of the greater curvature side of the stomach to the serous membrane has pedicles and no adhesion. Abdominal lymph nodes were not enlarged and radical resection was given. The tumor microscope shows that the tumor cells are dense and disorderly arranged, with some being bundled or palisade-like, spindle-shaped and elliptical.