title: Role of venography in assessing patients with superior caval obstruction caused by bronchial carcinoma for bypass operations.
abstract: The value of venography in assessing the level of obstruction in mediastinal block and hence the selection of patients for bypass grafting is demonstrated, and an illustrative case is presented.
mesh_terms: D001807:Blood Vessel Prosthesis; D001984:Bronchial Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging*