Neck dissection.
D002294:Carcinoma, Squamous Cell / Q000601:surgery*; D006801:Humans; D009062:Mouth Neoplasms; D009333:Neck / Q000601:surgery*; D037981:Neck Dissection; D009369:Neoplasms; D010614:Pharynx
CARCINOMA, EPIDERMOID/surgery; MOUTH/neoplasms; NECK/surgery; THROAT/neoplasms