Rational approach to the problem of cancer of the lung.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001999:Bronchoscopy; D004646:Emphysema / Q000000981:diagnostic imaging; D004739:England; D005260:Female; D006801:Humans; D007194:India; D007564:Japan; D008175:Lung Neoplasms / Q000097:blood / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control / Q000601:surgery; D008297:Male; D008800:Mexico; D008875:Middle Aged; D009365:Neoplasm Regression, Spontaneous; D011859:Radiography; D012907:Smoking; D013183:Sputum / Q000032:analysis; D014181:Transplantation Immunology; D014481:United States