Fig. 2
From: Diagnostic mystery—a rare right ventricular cardiac hemangioma: a case report
Intraoperative macroscopic findings and histopathological examination. a Intraoperative macroscopic findings showed a smooth and bulky tumor measuring 4 cm × 3 cm × 3 cm originated from the apex of the RV and adhered to the pericardium (arrow); b The tumor was completely removed and the defect was sutured and enforced with a patch of autologous pericardium along the incision line (arrow); c Histopathological examination (Hematoxylin–eosin, × 40) and d Immunohistochemical staining for CD31 confirming it was hemangioma