Fig. 2

An intraoperative pictures and specimen. a Intraoperative picture revealed that the tumour completely fused with the mitral annulus and was divided into lobes with poly-papillary protrusions on the surface. b Intraoperative macroscopic findings revealed that the size of the tumour was approximately 4x6cm, and the surface was lobulated with white sea anemone-like protrusions. Sallow, fish-like tissue with cystic necrosis and haemorrhage could be seen when the tumor was cut open