Self-Management for Head and Neck Lymphedema and Fibrosis [PROMISE Trial]

Inclusion Criteria: * \>18 years of age * Post HNC primary treatment * No evidence of cancer (NED) * Completion of initial lymphedema therapy for head and neck lymphedema * Unable to obtain lymphedema therapy due to barriers noted above * History of lymphedema on the face and neck, with or without fibrosis * Ability to understand English in order to complete questionnaires * Ability to perform self-care activities for LEF management * Ability to provide informed consent * Having an electronic device (a computer, tablet, iPad, or smartphone) and internet access at home * A valid email address Exclusion Criteria: * Recurrent or metastatic cancer * Any other active cancer * Acute infection * Acute congestive heart failure * Acute renal failure * Cardiac or pulmonary edema * Sensitive carotid sinus * Severe carotid blockage * Uncontrolled hypertension * Venous thrombosis * Pregnant people * Incarcerated patients