Angiosarcoma of the heart.
D000328:Adult; D006325:Heart Atria / Q000601:surgery; D006338:Heart Neoplasms / Q000601:surgery*; D006352:Heart Ventricles / Q000601:surgery; D006394:Hemangiosarcoma / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged