title: Routine chest x-rays.
mesh_terms: D000328:Adult; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000453:epidemiology; D008175:Lung Neoplasms / Q000453:epidemiology; D008400:Mass Chest X-Ray; D008875:Middle Aged; D009520:New Zealand; D014041:Tokyo