title: [Clinical analysis of submental lymph node enlargement after radiotherapy for nasopharyngeal cancer].
authors.forename: Guanqiang
authors.initials: G
authors.lastname: Li
authors.forename: Bin
authors.initials: B
authors.lastname: Pan
authors.forename: Shuping
authors.initials: S
authors.lastname: Wei
mesh_terms: D002277:Carcinoma; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis; D000077274:Nasopharyngeal Carcinoma; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D009333:Neck