- The following procedures and tests will be performed during this study: During Phase A: Every week: blood work; Every 3 weeks: physical exam, tumor assessment and bloodwork. During Phase B: Every 3 weeks; physical exam and blood work. At the start of Phase B and C: physical exam, EKG, MUGA scan or echocardiogram and bloodwork. During Phase C: Every 3 weeks for High risk patients and every 3 months for low risk patients; physical exam and blood work. End of Phase C: MUGA scan or echocardiogram. Phase C and D: every 3 months; physical exam, EGK, MUGA scan or echocardiogram and bloodwork.