Comparing Two Ways to Manage Head and Neck Lymphedema

This study is comparing two methods of managing lymphedema (swelling caused by fluid buildup) in the head and neck area after head and neck cancer treatment: in-person therapy sessions versus telehealth (video-based) sessions from home. **You may be eligible if:** - You are 18 years or older - You finished head and neck cancer treatment within the past 24 months - You have been diagnosed with head and neck lymphedema and referred by your cancer care team - You are able to perform self-massage (manual lymphatic drainage) on yourself - You have a computer, tablet, or smartphone with internet access at home **You may NOT be eligible if:** - You have an active soft tissue infection in the head or neck area - You have a history of moderate or severe carotid artery blockage - Your lymphedema is very severe (such as extreme swelling around the eyes) - You have a condition that makes lymphedema therapy unsafe Talk to your doctor to see if this trial is right for you.