Carcinoma of the lip secondary to solar cheilosis. Report of a case.
D002294:Carcinoma, Squamous Cell / Q000209:etiology*; D006801:Humans; D008046:Lip / Q000528:radiation effects*; D008048:Lip Neoplasms / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011230:Precancerous Conditions; D011830:Radiation Effects; D014466:Ultraviolet Rays