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Kaplan-Meier 5-year distant relapse free survival (A) and overall survival (B) estimate according to the patterns of local recurrence and regional recurrence. Early local recurrence (LR), local recurrence within 3 years; Late LR, local regional after 3 years; Early regional recurrence (RR), regional recurrence within 3 years; Late RR, regional recurrence after 3 years.
