Prognostic value of cell surface markers in adult T-ALL. (A) Kaplan-Meier survival curves in adult T-ALLs treated in the ECOG2993 clinical trial according to CD13 expression. (B) Kaplan-Meier survival curves in adult T-ALLs treated in the ECOG2993 clinical trial according to CD8 expression. (C) Kaplan-Meier survival curves in adult T-ALLs treated in the ECOG2993 clinical trial according to CD62L antigen expression.