Leiomyosarcoma of the inferior vena cava.
D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis* / Q000473:pathology* / Q000601:surgery; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011379:Prognosis; D014682:Vena Cava, Inferior