Source:http://linkedlifedata.com/resource/umls/id/C1368404
NCI: Cancer that forms in tissues of the hypopharynx (the bottom part of the throat). The most common type is squamous cell carcinoma (cancer that begins in flat cells lining the hypopharynx).,NCI: Carcinoma, predominantly squamous cell, arising from epithelial cells of the hypopharynx. -- 2004