A benign neoplasm that involves the nasal cavity. The disease is MONDO_0021475 (benign neoplasm of nasal cavity). Also known as: benign nasal cavity neoplasm, benign nasal cavity tumor, benign nasal cavity tumour, benign neoplasm of the nasal cavity, benign tumor of nasal cavity, benign tumor of the nasal cavity, benign tumour of nasal cavity, benign tumour of the nasal cavity.