Immune markers associated with skin response. (A) Immunologic reconstitution according to skin response. Number of subjects (N) at each time point is the same in every figure. (B) Correlation between lymphocyte populations and component pattern analysis after LD IL-2 therapy. (C) PCA and clinical response. *P < .05, **P < .01, ***P < .005. m, month; NR, nonresponder; R, responder; W, week; y, year.