Inclusion Criteria:

• * English and Spanish speaking male and female subjects, ages 13-39 years old
• * Diagnosis of cancer at age \<22 years
• * Previously treated with anthracyline therapy for cancer, with diagnosis at least two years prior.

Exclusion Criteria:

• * Patients who have a contraindication to cardiac MRI, including the presence of non-MRI compatible metallic implants.
• * Medical, psychiatric, and/or social disorder that would prevent successful completion of planned study testing or would preclude the subject from undergoing the cardiac MRI without anesthesia.
• * Patients with a history of congenital heart disease (more significant than a history of patent foramen ovale or patent ductus arteriosus).
• * Patients with orthodontic braces or metallic implants in the thorax or abdomen/lumbar spine, even if MRI-compatible, will be excluded as these may cause artifacts and limit image quality.
• * Pregnancy.