Leiomyosarcoma of the heart colliding with atrial myxoma.
D005260:Female; D006325:Heart Atria; D006338:Heart Neoplasms / Q000473:pathology*; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008875:Middle Aged; D009232:Myxoma / Q000473:pathology*; D009362:Neoplasm Metastasis; D009378:Neoplasms, Multiple Primary / Q000473:pathology*