title: The importance of the poststyloid space in the treatment of nasopharyngeal carcinoma.
mesh_terms: D002277:Carcinoma / Q000532:radiotherapy*; D006801:Humans; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D009305:Nasopharynx / Q000033:anatomy & histology; D010614:Pharynx / Q000033:anatomy & histology; D011879:Radiotherapy Dosage