SAN FRANCISCO (EGMN) - Lymphedema is highly common and a source of considerable morbidity among patients who undergo treatment for head and neck cancer, finds a cross-sectional study among 103 survivors.Fully three-fourths had developed some degree of lymphedema, according to results presented at the annual Oncology Congress presented by Reed Medical Education. The more severe it was, the more likely patients were to have symptoms, functional impairments, and poorer quality of life.Disease and treatment-related...