title: [The clinical study of renal cell carcinoma extending into the inferior vena cava].
mesh_terms: D000328:Adult; D000368:Aged; D002292:Carcinoma, Renal Cell / Q000150:complications*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000150:complications*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013927:Thrombosis / Q000000981:diagnostic imaging / Q000209:etiology*; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging