title: Oral pathology quiz # 39. Case 2. Squamous cell carcinoma.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008048:Lip Neoplasms / Q000175:diagnosis*; D008297:Male