A cancer prevented.
D000367:Age Factors; D002273:Carcinogens; D004781:Environmental Exposure; D006801:Humans; D008175:Lung Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D008297:Male; D009303:Nasopharyngeal Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D009369:Neoplasms / Q000517:prevention & control*; D009784:Occupational Diseases / Q000517:prevention & control*; D009787:Occupational Medicine; D012907:Smoking / Q000150:complications
D002273:Carcinogens