Telehealth Exercise Intervention to Improve Cardiovascular Health in Lymphoma Survivors, TECHS Trial

Inclusion Criteria: * Diagnosed with Hodgkin or non-Hodgkin lymphoma. * \>= 18 years old. * Are between 2-5 years after completing anti-cancer therapy and with no evidence of disease. * Intermediate (4-5) to high ( \>= 6) risk of cardiovascular risk factors based on six key variables: Age 30 to 50 years (y) \[2\]) and \>= 50y \[3\]; anthracycline dose \>250mg/m \^ 2 \[1\]; hypertension \[2\]; diabetes \[2\]; smoking \[1\]; and chest radiation \[1\]). * Able to understand and sign the informed consent document. * Physically able and willing to complete all study procedures. Exclusion Criteria: * Have overt cardiovascular disease within 6 months (e.g. myocardial infarction, stroke, angina). * Have contraindications to exercise. * Participate in structured exercise (\>60 minutes/week). * Female patients who are pregnant or planning to become pregnant.