ARC expression and clinical characteristics of AML samples. (A) ARC level and FAB types of AML and APL patients (P < .0001). (B) ARC level and cytogenetic groups (P = .11). (C) ARC level and FLT-3 mutation status: ITD (left, P = .75) and D835 (right, P = .48). (D) ARC level and NPM1 mutation status.