Otolaryngology quiz #7. Squamous cell carcinoma.
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D003937:Diagnosis, Differential; D006801:Humans; D008048:Lip Neoplasms / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D008297:Male; D008875:Middle Aged