Bilateral neck dissection.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002555:Cerebrospinal Fluid; D005260:Female; D006257:Head; D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D008208:Lymphatic System / Q000033:anatomy & histology / Q000502:physiology; D008297:Male; D008875:Middle Aged; D037981:Neck Dissection; D009362:Neoplasm Metastasis / Q000601:surgery; D009369:Neoplasms; D011182:Postoperative Care; D011183:Postoperative Complications