Biomarkers to Predict Cancer Therapy-Related Cardiotoxicity

Inclusion Criteria: * 18 years of age or older * Treated for any malignancy with any type of chemotherapy including oral, parenteral therapy and immunotherapy * One of the following: * Diagnosed with cardiotoxicity defined as; cardiomyopathy, symptomatic heart failure, asymptomatic reduced systolic function, acute coronary syndrome, myocardial infarction, critical limb ischemia, cardiac arrhythmias or myocarditis possibly related to prior cancer treatment * Completed chemotherapy with no cardiotoxicity at least two years post treatment * Patients with cancer who will be initiating systemic therapy with potentially cardiotoxic medications. This will include chemotherapy, immunotherapy, targeted therapy that have been associated with cardiac toxicity * An understanding of the protocol and its requirements, risks, and discomforts * The ability and willingness to sign an informed consent Exclusion Criteria: \- Inability on the part of the patient to understand the informed consent or be compliant with the protocol