Application of Whole-course Standardized Nutrition Management During Peri-radiotherapy in Patients With Nasopharyngeal Carcinoma After Radiotherapy: a Multicenter Randomized Controlled Clinical Study

This study will present an advanced equipment of tumor nutrition diagnosis and assesment for nasopharyngeal cancer(NPC) radiotherapy patients in nutritional risk screening, evaluation, diagnosis and directing nutritional intervention, aiming to explore the advantages of the whole nutritional management in acute radiation reaction rate, completion rate of radiotherapy, nutritional status, and quality of life for NPC patients.