1文献来源Le D T,Kim T W,Van Cutsem E,et al.PhaseⅡopen⁃label study of pembrolizumab in treatment⁃refractory,microsatellite instability⁃high/mismatch repair⁃deficient metastatic colorectal cancer:KEYNOTE⁃164[J].J Clin ...1文献来源Le D T,Kim T W,Van Cutsem E,et al.PhaseⅡopen⁃label study of pembrolizumab in treatment⁃refractory,microsatellite instability⁃high/mismatch repair⁃deficient metastatic colorectal cancer:KEYNOTE⁃164[J].J Clin Oncol,2019,38(1):11-19.2证据水平2a。3背景•微卫星高度不稳定性(microsatellite instability high,MSI⁃H)或错配修复功能缺陷(mismatch repair⁃deficient,dMMR)结直肠癌患者的预后比微卫星稳定(microsatellite stability,MSS)结直肠癌患者的预后差。展开更多
文摘1文献来源Le D T,Kim T W,Van Cutsem E,et al.PhaseⅡopen⁃label study of pembrolizumab in treatment⁃refractory,microsatellite instability⁃high/mismatch repair⁃deficient metastatic colorectal cancer:KEYNOTE⁃164[J].J Clin Oncol,2019,38(1):11-19.2证据水平2a。3背景•微卫星高度不稳定性(microsatellite instability high,MSI⁃H)或错配修复功能缺陷(mismatch repair⁃deficient,dMMR)结直肠癌患者的预后比微卫星稳定(microsatellite stability,MSS)结直肠癌患者的预后差。