Base of the heart (where the major blood vessels attach)

Paraganglioma

Teratoma

Heart valves

Papillary fibroelastoma

Heart wall

Fibroma

Hemangioma

Rhabdomyoma

Lining of heart chambers

Lipoma

Myxoma

Outside surface

Lipoma

Pericardium (outer sac covering heart)

Pericardial cyst