“…As such, based on the treatment strategy, 101 cohorts underwent data collection. Among these, 24 cohorts reported on IMRT, 26–49 17 on CRT, 34,49–64 11 on SRS, 34,57,65–73 9 on brachytherapy, 13,47,51,74–79 18 on open nasopharyngectomy, 41,80–95 and 22 on endoscopic nasopharyngectomy 39,40,48,49,62,92,96–112 …”