Results: Among 22 cases with GISTs, 11 cases originated in the stomach, 7 cases in the small intestine, 2 cases in the caecum, and 1 case in the left colic flexure, I case in the mesentery.

• 结果：本组胃肠道间质瘤22例，其中11例位于胃，7例位于小肠，2例位于盲肠，1例位于结肠脾曲，1例位于小肠肠系膜。