Is curable lung cancer detected by semiannual screening?
D000367:Age Factors; D000368:Aged; D002283:Carcinoma, Bronchogenic / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000401:mortality; D005471:Fluoroscopy; D005500:Follow-Up Studies; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000401:mortality; D008297:Male; D008400:Mass Chest X-Ray; D008403:Mass Screening; D008722:Methods; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011379:Prognosis; D012907:Smoking / Q000150:complications; D011795:Surveys and Questionnaires; D013997:Time Factors