Fig. 4From: Gastric inflammatory myofibroblastic tumor: a case reportA, B Macroscopically, the tumor presented as a 15 mm, round nodule, with a yellowish-white cut surface. C The tumor consisted of spindle cells spreading from the submucosal layer to the muscularis propria layer (Hematoxylin–eosin staining, × 1). D The spindle cells showed negative staining for anti-desmin antigen (× 1)Back to article page