A squamous cell carcinoma that involves the hypopharynx. The disease is hypopharynx squamous cell carcinoma (MONDO_0044638). Also known as: epidermoid carcinoma of hypopharynx, epidermoid carcinoma of the hypopharynx, hypopharyngeal epidermoid carcinoma, hypopharyngeal squamous cell carcinoma, hypopharyngeal throat squamous cell cancer, squamous cell carcinoma of hypopharynx.