Journal of occupational health
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To investigate the extent of asbestos exposure among patients with primary lung cancer in Japan. ⋯ In a Japanese population representing more workers than general Japanese, 12.8% of patients with primary lung cancer may have experienced asbestos exposure at some time in the past. Special medical attention should be paid to individuals with a history of employment in construction-related occupations, as workers in this sector showed the highest prevalence of pleural plaques.