Kaplan-Meier curves of overall survival and post-relapse survival in relapsed aNHL patients after achieving complete remission with frontline chemotherapy.

<p>(A) Overall survival in 171 patients who relapsed after achieving complete remission with frontline therapy. (B) Overall survival according to relapse detection method. (C) Post-relapse survival according to relapse detection method. (D) Post-relapse survival according to interval of surveillance computed tomography (CT) scan. Group 1: Relapse detected by a method other than CT (symptoms, physical examination, or blood tests). Group 2: Relapse detected by surveillance CT.