Erosion of the left ventricular wall caused by a ball-valve prosthesis.
D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000601:surgery; D008946:Mitral Valve Stenosis / Q000601:surgery; D014456:Ulcer / Q000209:etiology*