Endoscopic Surgery vs. Intensity Modulated Radiotherapy for Stage I Nasopharyngeal Carcinoma.

"Radical resection of primary lesion using nasal endoscopy.~After the treatment, the electronic nasal endoscopy was reviewed every two weeks to determine the healing of the wound, whether there was tumor recurrence, until the surgical wound was completely healed. The patients were followed up at least once every three months from the first year to the third year, at least once every six months from the fourth year to the fifth year, and at least once every year after five years."

"GTVnx (nasopharyngeal lesions): 69.96Gy/33Fr/2.12Gy CTV1: 60.60Gy/33Fr/1.82Gy CTV2: 54.12Gy/33Fr/1.64Gy.~After treatment, patients were followed up every 3-6 months from the first year to the third year, every 6-12 months from the fourth year to the fifth year, and at least once a year after five years."