Malignant transformation in oral lichen planus.
D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D005260:Female; D006801:Humans; D008010:Lichen Planus / Q000473:pathology*; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology*; D009062:Mouth Neoplasms / Q000473:pathology*; D011230:Precancerous Conditions / Q000473:pathology*