title: Basal cell epithelioma in a BCG vaccination scar.
mesh_terms: D000328:Adult; D001500:BCG Vaccine; D002280:Basal Cell Carcinoma / Q000209:etiology*; D002921:Cicatrix / Q000209:etiology; D006801:Humans; D012878:Skin Neoplasms / Q000209:etiology*; D014611:Vaccination / Q000009:adverse effects*
chemical_list: D001500:BCG Vaccine