title: Discordance between chest x-ray and gallium scan.
mesh_terms: D003937:Diagnosis, Differential; D005710:Gallium Radioisotopes; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D011877:Radionuclide Imaging
chemical_list: D005710:Gallium Radioisotopes