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Kaplan-Meier estimation of progression-free survival (PFS) defined as time from initial protocol treatment to progression, relapse, or death from any cause, whichever occurred first. Median follow up for surviving patients was 26.8 months. PFS is shown: (A) for all patients (n=28), (B) for all patients stratified by response, and (C) for patients with follicular lymphoma (n=22) stratified by response.
