Abstract
Hypopharyngeal liposarcoma is an extremely rare entity, and yet fewer than 40 cases have been reported in the literature. Lacking the possibility of distant metastases, local surgical resection with a clear margin can achieve the purpose of treatment. Endoscopic submucosal dissection has been widely used in the treatment of early upper gastrointestinal cancer and superficial hypopharyngeal cancer. Here, we present a case of a giant tumor originated from the hypopharynx that received primary resection by endoscopic submucosal dissection using a flexible upper gastroscope.
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