Nodal metastases and prognosis in carcinoma of the oral cavity.
D005500:Follow-Up Studies; D006801:Humans; D008207:Lymphatic Metastasis; D008208:Lymphatic System / Q000033:anatomy & histology; D009062:Mouth Neoplasms / Q000453:epidemiology / Q000473:pathology*; D011379:Prognosis; D014481:United States