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Progression‐free survival. (A) Progression‐free survival (PFS) for all 92 eligible patients. The 2‐year PFS was 84.8% (80% CI, 79.2–88.9) in all 92 eligible patients. (B) PFS for 19 interim PET‐positive patients. The 2‐year PFS was 84.2% (80% CI, 69.7–92.1) in the 19 interim PET‐positive patients. (C) PFS for 73 interim PET‐negative patients. The 2‐year PFS was 84.9% in the 73 interim PET‐negative patients.
