Nano-crystalline Megestrol Acetate for Adjuvant Treatment in High-risk Head and Neck Squamous Cell Carcinoma After Surgery.

Nano-crystalline Megestrol Acetate Oral Suspension, with a specification of 125 mg/mL, the study group takes 5 mL orally per day (625 mg/day), and continues medication; after completing the treatment cycle, patients who are assessed by the researchers as suitable for continued treatment may continue to receive therapy.

radiotherapy ± chemotherapy