title: Intravenous biopsy of a tumor thrombus filling the inferior vena cava.
mesh_terms: D001707:Biopsy, Needle; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012082:Renal Veins; D013927:Thrombosis / Q000473:pathology*; D014682:Vena Cava, Inferior