Assessing Manual Acupuncture's Impact on Mucositis From Nasopharynx Cancer Radiotherapy: A Visual Analogue Scale (VAS) and Quality of Life Study

The goal of this clinical trial is to learn if acupuncture can play a role in reducing pain and improving the quality of life of post-radiotherapy nasopharyngeal cancer mucositis patients. The main questions it aims to answer are: \- Do manual acupuncture and medication therapy affect pain intensity as measured by the visual analogue scale (VAS) in patients with oral mucositis compared with sham manual acupuncture and medication? Participants will receive acupuncture therapy 2 times a week for 3 weeks