Methotrexate Combined With Immunotherapy During Radiotherapy for Solid Tumors

Tablets with 5mg methotrexate are taken orally twice a week during the whole course of radiotherapy

Anti-PD-1 monoclonal antibody 200mg is given intravenously every 3 weeks from the first day of radiotherapy until or after the end of treatment.

6～15MV X-ray, 2Gy/time, 5times/week. The duration of radiotherapy depends on the target lesion.