deaths (OS)

mCRC - 1st line (L1) metastatic/advanced - colorectal cancer (mCRC) mCRC - 1st line (L1)

mCRC - 2nd line (L2) metastatic/advanced - colorectal cancer (mCRC) mCRC - 2nd line (L2)

versus regorafenib
atezolizumab alone vs. regorafenib 1 1.00 [0.73; 1.37], 1 RCT, I2=0%
inconclusive result