CD274 and diffuse large B-cell lymphoma: Among the all‐treated population, response rate was 55.6%, 33.3%, 5.9%, and 9.1% in cHL anti‐PD‐1/PD‐L1 naïve, cHL anti‐PD‐1/PD‐L1 progressor, DLBCL, and PTCL cohorts, respectively (Table 4).