hypopharynx cancer (MONDO_0005806) is a primary or metastatic malignant neoplasm that affects the hypopharynx. Also known as: hypopharyngeal cancer, hypopharynx pharynx cancer, hypural pharynx cancer, malignant hypopharyngeal neoplasm, malignant hypopharyngeal tumor, malignant hypopharyngeal tumour, malignant neoplasm of hypopharynx, malignant neoplasm of ill-defined sites within the lip and oral cavity.