 The first and last echocardiogram will be complete studies with strain calculation and 3D volumes. The middle two studies after receiving at least a cumulative 240mgm2 of doxorubicin and at 6 months after the start of treatment will be limited studies consisting of seven 2D images PLAX, APLAX, 4CH, 2CH, SAX-base, SAX-mid, SAX-apex with strain calculation. 