Leiomyosarcoma of the inferior vena cava propagating into the right atrium.
D000328:Adult; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging; D006338:Heart Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology; D009362:Neoplasm Metastasis; D009383:Neoplasms, Vascular Tissue / Q000000981:diagnostic imaging*; D011859:Radiography; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging* / Q000473:pathology