Manual Therapy in Treating Fibrosis-Related Late Effect Dysphagia in Head and Neck Cancer Survivors

Inclusion Criteria: * Late Dynamic Imaging Grade of Swallowing Toxicity (DIGEST) grade \>= 2 dysphagia on Modified Barium Swallow (MBS) \>= 2 years after curative-intent radiotherapy for head and neck cancer * Grade \>= 2 Common Terminology Criteria for Adverse Events (CTCAE) fibrosis * Willing and able to return for 10 sessions over 6 weeks of therapy Exclusion Criteria: * Active recurrent or second primary head and neck, central nervous system, or thoracic cancer at time of enrollment * Active osteoradionecrosis or other non-healing wounds (e.g., fistula, ulcer, soft tissue necrosis) in manual therapy (MT) regions of interest at time of enrollment * History of subtotal or total glossectomy or total laryngectomy * Functionally limiting cardiac, pulmonary, or neuromuscular disease * Current tracheostomy