“…Several investigators have demonstrated an early reduction in e ′ velocity of the mitral annulus in patients receiving anthracyclines ( Figures 7C and 7D), 48,[150][151][152] which remained reduced during treatment 153 and for several years thereafter. 150 The reductions in e ′ velocity appear heterogeneous, 150,151,154 suggesting differences in regional wall stress, apoptosis, or fibrosis.…”