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Curves of PFS stratified by response to induction chemotherapy (PR versus SD). No significant association was observed between PFS and response to induction chemotherapy (p = 0.097). The 3-year PFS rates were 89.9% (95% CI, 81.0–99.8%) versus 78.6% (95% CI, 59.8–100%) for patients who achieved or did not achieve PR, respectively.
