Prevalence of severe oral mucositis during radiotherapy of H&N cancer patients and patient-reported mouth pain.

* UICC = International Union against Cancer, (http://www.uicc.org/resources/tnm/publications)Other acronyms used in table 1:Gr.: GradeCRT: ChemoRadiotherapyIMRT: Intensity-modulated radiation therapyRT: RadiotherapyCHART: Continuous Hyperfractionated Accelerated RadiotherapyNCICTCAE: National Cancer Institute Common Terminology Criteria for Adverse EventsOMWQ-HN: Oral Mucositis Weekly Questionnaire-Head and Neck cancerRTOG: Radiation Therapy Oncology GroupEMS: Elements of Morbidity SystemMTS: mouth and throat sorenessPrevalence of severe oral mucositis during radiotherapy of H&N cancer patients and patient-reported mouth pain.