A non-neoplastic or neoplastic disorder that affects the nasopharynx. Representative examples include nasopharyngitis, angiofibroma, and carcinoma. The disease is Monarch Disease Ontology id MONDO_0004821 (nasopharyngeal disorder). Also known as: disease of nasopharynx, disease or disorder of nasopharynx, disorder of nasopharynx, nasopharynx disease, nasopharynx disease or disorder.