Superior vena cavogram  analysis in superior vena cava syndrome.
D002283:Carcinoma, Bronchogenic / Q000150:complications; D006801:Humans; D008175:Lung Neoplasms / Q000150:complications; D011859:Radiography; D013927:Thrombosis / Q000000981:diagnostic imaging* / Q000209:etiology; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging*