title: Interpretation of  99m Tc superior vena cavograms and results of studies in 92 patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis; D008479:Mediastinal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010690:Phlebography; D011877:Radionuclide Imaging; D013667:Technetium; D013997:Time Factors; D014652:Vascular Diseases / Q000175:diagnosis*; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging
chemical_list: D013667:Technetium