Precancerous and cancerous lesions of the mouth.
D005928:Glossitis; D006801:Humans; D007642:Keratosis; D007971:Leukoplakia; D008046:Lip; D009059:Mouth Diseases; D009062:Mouth Neoplasms; D009914:Oral Submucous Fibrosis; D011230:Precancerous Conditions