Selection criteria included patients with STS...High expression of CD274 (PD-L1) was significantly associated with better PFS of trabectedin (5.4 vs. 3.0 months; p= 0.006)…. Similar results were obtained with high expression of CTLA4 and LAG3: 6.0 vs 3.1 months; p = 0.005 and 5.4 vs 2.7 months; p = 0.042, respectively.