Cavernous hemangioma of the right atrium.
D006325:Heart Atria / Q000473:pathology / Q000601:surgery; D006338:Heart Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D006352:Heart Ventricles / Q000473:pathology / Q000601:surgery; D006391:Hemangioma / Q000175:diagnosis* / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D016896:Treatment Outcome