Immune correlates with lung cGVHD response. (A) Median absolute counts of CD4Treg TEMRA, CD4Tcon TEMRA, and CD8 TEMRA with the interquartile range. (B) Percent CD4Treg and %CD4Tcon populations according to lung response. Number of subjects (N) at each time point is the same in every figure. *P < .05, **P < .01, ***P < .005. NR, nonresponder; m, month; R, responder; W, week; y, year.