Occult cardiac metastasis and mitral reflux.
D005260:Female; D006325:Heart Atria; D006338:Heart Neoplasms / Q000150:complications / Q000175:diagnosis / Q000556:secondary*; D006801:Humans; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000209:etiology*; D013274:Stomach Neoplasms