Fig. 4
From: Gastric and cardiac inflammatory myofibroblastic tumor: an extremely rare case
a Resected gastric mass showing inflammatory cell infiltration around normal gastric mucosal tissue (upper arrow) and mucoid degeneration (lower arrow) visible in the tumor interstitium (H&E×100); b Tumor cells of the stomach (arrow) have cellular atypia and scattered mitotic figures (H&E×400); c Desmin exhibits diffuse positive expression in resected gastric tumor specimens. d Left atrium resected mass shows large, round, polygonal, and spindle-shaped tumor cells (arrows) that are higher in density (H&E×200) than masses of gastric origin; e Tumor cells of the heart (arrow) have cellular atypia and scattered mitotic figures (H&E×400); f Vimentin exhibited diffuse positive expression in resected cardiac tumor specimens