Figure 4

Subgroup analysis of patients with TRC-PD. Comparison of the KM curve of OS and PFS between TRC-PD patients with pure metastatic tumor cells (n = 24, A) and mixed pathology of radiation necrosis and progressive tumor (n = 11, B), respectively. OS overall survival, PD progressive disease; PFS progression-free survival, RN radiation necrosis, TRC treatment-related change.