title: SURVIVAL RATES OF NASOPHARYNGEAL CANCER TREATED BY TELE-COBALT UNIT--AN ANALYSIS OF 333 CASES IN 5 YEARS.
mesh_terms: D002277:Carcinoma; D003035:Cobalt; D003036:Cobalt Isotopes; D006801:Humans; D008207:Lymphatic Metastasis; D000077274:Nasopharyngeal Carcinoma; D009303:Nasopharyngeal Neoplasms; D009369:Neoplasms / Q000453:epidemiology* / Q000532:radiotherapy*; D011867:Radioisotope Teletherapy; D015996:Survival Rate
chemical_list: D003036:Cobalt Isotopes; D003035:Cobalt
keywords: COBALT ISOTOPES; LYMPHATIC METASTASIS; NASOPHARYNGEAL NEOPLASMS; NEOPLASM RADIOTHERAPY; NEOPLASM STATISTICS; RADIOISOTOPE TELETHERAPY