atezolizumab based treatment
atezolizumab plus nab-paclitaxel atezolizumab plus paclitaxel
mBC - Triple negative (TNBC) - 1st Line (L1) 1
mBC - TNBC - L1 - all population 7     
mBC - TNBC - L1 - PDL1 positive 4     
Comparator:  vs Standard of Care (SoC); 
Risk of bias:  low;   some concerns;   high;  NA;