showed a trendP = 0.063
27%; P = 0.043), but multivariate P ‐value was nonsignificant ( P = 0.73); similarly, PFS showed a trend to improvement in univariate analysis (6.2 vs. 3.7 months; P = 0.063) but was nonsignificant in multivariate analysis; OS was not significantly different in patients who did and did not receive immune checkpoint blockade.