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Introduction Selective neck dissection (SND) is distinguished by the preservation of lymph node groups and nonlymphatic structures that are removed during radical neck dissection. SND is a generic term that applies to a group of procedures named according to the…
Introduction Total laryngopharyngectomy is employed for cancer of the hypopharynx. The hypopharynx forms the inferior part of the pharynx and is located immediately behind the larynx. It has three subsites—that is, postcricoid, posterior pharyngeal wall, and pyriform sinuses bilaterally. Total…