A high number of PD-1+ TILs correlated with a high OS (80% vs 55% at 2 years, p=0.026) and high PFS (80% vs 40% at years, p=0.005) in R-CHOP-treated DLBCL patients. (maintained in multivariate analysis for OS with Adj p=0.006). Here, PDCD1 is linked to diffuse large B-cell lymphoma.