title: Is selective neck irradiation safe for node-negative nasopharyngeal carcinoma?
authors: Anne W M
authors: AW
authors: Lee
authors: Henry
authors: H
authors: Sze
authors: Wai Tong
authors: WT
authors: Ng
mesh_terms: D002277:Carcinoma; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy*; D005260:Female; D006801:Humans; D015182:Lymphatic Irradiation; D008207:Lymphatic Metastasis; D008297:Male; D000077274:Nasopharyngeal Carcinoma; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D059351:Organ Sparing Treatments / Q000379:methods*