Fig. 3

Histopathological findings reveal severe calcification and inflammatory infiltration with lymphocyte and plasmacyte of resected tumor of the mitral posterior leaflet. There were necrotic tissues without pathogens and neoplasm. These findings are consistent with those of a calcified amorphous tumor. a original magnification ×40, b ×200, c ×200. Hematoxylin and eosin staining