Lymphoid neoplasms after ALL. (A) Classification. (B) Cumulative incidence of lymphoid neoplasms after ALL. (C) Comparison of cumulative incidences of mature B-cell lymphoproliferations and LBL after ALL. B-LBL, B-cell lymphoblastic lymphoma; PTCL, peripheral T-cell lymphoma; T-LBL, T-cell lymphoblastic lymphoma.