Fig. 2From: A case of planar-type GIST of the sigmoid colon showing diverticular structure with perforationLoupe view of the histological specimens including the diverticular structure with perforation. a H&E staining specimen showed the irregular thickness of the wall at the diverticulum-like lesion. b KIT immunohistochemistry revealed the flatly proliferating KIT-positive lesion at the diverticulum-like lesionBack to article page