the main cancers reported , of possible occupational origin , are skin carcinoma , leukemia due to exposure to benzene , asbestos-caused mesothelioma , vinyl chloride-induced hepatic angiosarcoma , carcinoma of bilharzial urinary bladder , stomach cancer reportedly associated with nitrogen fertilizers , lung cancer of nickel smelters , and nasopharyngeal and pulmonary carcinoma in workers exposed to the dust of hard wood .
C0006826
cancers
C0023418
due to