sintilimab based treatment
sintilimab
mHCC - (neo)adjuvant (NA) 3   
mHCC - 1st line (L1) 10   
mHCC - 2nd line (L2) 2
Comparator:  vs Standard of Care (SoC);   vs sorafenib; 
Risk of bias:  low;   some concerns;   high;  NA;