Most common organ involved in GIST is?: (A) Ileum, (B) Duodenum, (C) Colon, (D) Stomach
Answer is D. Ans. is 'd' i.e., Stomach * GISTs are the most common mesenchymal neoplasm of gastrointestinal tract. GIST represents a distinct group of gastrointestinal tumors that originate from the interstial cells ofcajal which control gastrointestinal peristalsis.* GISTs can occur anywhere in the gastroinstestinal tract; the most common site being the stomach followed by small intestine.