Fig. 1From: Preliminary evidence for endoscopic surgery combined with postoperative anti-PD-1 immunotherapy in advanced recurrent nasopharyngeal carcinomaSelection criteria for the patients enrolled in the study. Propensity score matching was used to adjust for 10 related parameters: age, sex, body mass index, internal carotid artery embolization, pathological type, postoperative reconstruction, T stage, lymph node metastasis, period between recurrence and the last session of radiotherapy, and preoperative combined chemotherapy before surgeryBack to article page