title: Abnormal perfusion and ventilation scintigrams in patients with azygos fissures.
mesh_terms: D000328:Adult; D001401:Azygos Vein / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013902:Radiography, Thoracic; D011877:Radionuclide Imaging; D013667:Technetium; D014692:Ventilation-Perfusion Ratio
chemical_list: D013667:Technetium