Fig. 2

Intraoperative thoracoscopic view and gross appearance of the mass. (A) Upper pole of the mass in dark red color (white arrowheads) seen through retracted aortic leaflets. (B) Huge residual LV mass (black asterisk) being removed through the aortic valve. (C) Thoracoscopy shows the apex of the left ventricle (white asterisks) and a clear site of the interventricular septum (white arrows) after resection of the mass. (D) Well-demarcated attachment site of the mass (black arrowheads). (E) Pleomorphic cells with abundant cytoplasm, mitotic features of high-grade sarcoma (H&E, x400)