Primary chondrosarcomatous mesenchymoma of the mitral valve.
D002813:Chondrosarcoma / Q000473:pathology*; D005260:Female; D006338:Heart Neoplasms / Q000175:diagnosis*; D006801:Humans; D008637:Mesenchymoma / Q000473:pathology*; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology*; D012509:Sarcoma / Q000473:pathology*