| http://www.w3.org/ns/prov#value | - Despite advances in surgery, radiation, and chemotherapy, patients with stage III and stage IV cancer continue to have a 60% rate of locoregional recurrence and a 3-year survival rate of less than 30%.1 Symptoms such as dysphagia, dysphonia, dyspnea, progressive pain and discomfort, and physical deformity are caused by local recurrence and lead to clinically significant disability.
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