title: Etiology of pigmented scars in the bronchial mucosa.
mesh_terms: D000368:Aged; D001980:Bronchi / Q000473:pathology*; D002921:Cicatrix / Q000209:etiology / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006660:Histoplasmosis / Q000473:pathology; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D009336:Necrosis