Epidermolytic leukoplakia.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D006801:Humans; D007972:Leukoplakia, Oral / Q000473:pathology*; D008046:Lip / Q000473:pathology; D008048:Lip Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged