Basal cell carcinoma of the mandibular gingiva.
D000368:Aged; D002280:Basal Cell Carcinoma / Q000175:diagnosis*; D003581:Cytodiagnosis; D005143:Eyelids; D005882:Gingival Diseases; D006801:Humans; D008297:Male; D008339:Mandibular Neoplasms / Q000175:diagnosis*