Precancerous changes in the larynx.
D002278:Carcinoma in Situ / Q000473:pathology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology*; D007971:Leukoplakia / Q000473:pathology; D011230:Precancerous Conditions / Q000473:pathology*; D011379:Prognosis