Fig. 4
From: Gastrointestinal stromal tumor coexisting with disseminated peritoneal leiomyomatosis
a Macroscopic finding of the gastric lesion. An encapsulated solid tumor measuring 45 mm in the greatest dimension. b Microscopic finding of the gastric lesion (hematoxylin and eosin stain [HE] × 40). The gastric tumor was composed of spindle cells forming bundles in interlacing pattern. c Immunohistochemical analysis of the gastric lesion. The tumor cells showed positivity for c-KIT. d The tumor cells showed positivity for CD34