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ETP-ALL patients who were treated using the COALL-97 protocol were not associated with poor outcome. (A) Relapse-free survival (RFS) and (B) event-free survival (EFS) curves were generated for the COALL pediatric T-ALL patients. Shown are the RFS and EFS curves for ETP-ALL cases (black line) versus non-ETP-ALL cases (gray line).6 Vertical tick marks represent individual cases for which no further follow-up data is available.
