[Left atrial myxoma--report of a case having cardiac preoperative symptoms for twenty-six years].
D005260:Female; D006325:Heart Atria; D006338:Heart Neoplasms / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D009232:Myxoma / Q000175:diagnosis / Q000601:surgery*; D013997:Time Factors