Kaplan-Meier plots of PFS per the investigator assessment. (A) Cohort 1 (ENKTL); (B) cohort 2 (PTCL-NOS, AITL, and ALCL); (C) cohort 2a (PTCL-NOS); (D) cohort 2b (AITL); (E) cohort 2c (ALCL); and (F) cohort 3 (MF or SS). CIs were calculated using a generalized Brookmeyer and Crowley method.