title: Bilateral basal cell carcinoma of the ear.
mesh_terms: D000393:Air Pollutants; D002244:Carbon / Q000506:poisoning*; D002280:Basal Cell Carcinoma / Q000139:chemically induced* / Q000532:radiotherapy; D004428:Ear Neoplasms / Q000139:chemically induced* / Q000532:radiotherapy; D004431:Ear, External; D004781:Environmental Exposure; D007839:Functional Laterality; D006801:Humans; D006838:Hydrocarbons / Q000506:poisoning; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000139:chemically induced*
chemical_list: D000393:Air Pollutants; D006838:Hydrocarbons; D002244:Carbon