(A) Kaplan-Meier plots of event free survival of cases with 10 percent or greater (red dashed line) and less than 10 percent (blue solid line) PD-1 expression. (B) Kaplan-Meier plots of event-free survival of cases with 5 percent or greater (red dashed line) and less than 5 percent (blue solid line) PD-L1 expression. (C) Kaplan-Meier plots of overall survival of cases with 5 percent or greater (red dashed line) and less than 5 percent (blue solid line) PD-L1 expression. Adapted from Hollander P., et al. Blood Adv. 2017;1:1427-1439.