SIGNIFICANCE OF RETROPHARYNGEAL NODES IN CANCER OF THE HEAD AND NECK.
D006258:Head and Neck Neoplasms; D006801:Humans; D008198:Lymph Nodes; D008207:Lymphatic Metastasis; D009369:Neoplasms; D010610:Pharyngeal Neoplasms; D013514:Surgical Procedures, Operative
LYMPHATIC METASTASIS; NECK NEOPLASMS; PHARYNGEAL NEOPLASMS; SURGERY, OPERATIVE