pembrolizumab based treatment
pembrolizumab and pemetrexed plus platin pembrolizumab plus SoC
non squamous - mNSCLC - L1 - Wild Type (WT) 6     
Comparator:  vs pemetrexed plus platin;   vs placebo plus SoC; 
Risk of bias:  low;   some concerns;   high;  NA;