Observation indicators
death, Tumor
DISEASE, TUMOR, SECONDARY
Tumor was assessed with CT scan according to RECIST criteriaOS and PFS were the primary endpoint. All patients were followed up once 6 weeks. OS was referred to the time from the start of treatment until death from any reasons or the last follow‐up visit, and the PFS was defined as the time from the start of treatment until disease progression/recurrence. The safety was the secondary endpoint for this study, the side effects of the two groups were compared.