title: Increased focal activity on perfusion lung image.
mesh_terms: D002283:Carcinoma, Bronchogenic / Q000000981:diagnostic imaging*; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011877:Radionuclide Imaging; D012709:Serum Albumin; D013350:Subclavian Vein / Q000000981:diagnostic imaging*; D013667:Technetium; D013668:Technetium Tc 99m Aggregated Albumin
chemical_list: D012709:Serum Albumin; D013668:Technetium Tc 99m Aggregated Albumin; D013667:Technetium