Monarch Disease Ontology entry MONDO_0021487 (benign neoplasm of choroid) is a benign neoplasm that involves the optic choroid. Also known as: benign choroid neoplasm, benign choroid tumor, benign choroid tumour, benign neoplasm of the choroid, benign tumor of choroid, benign tumor of the choroid, benign tumour of choroid, benign tumour of the choroid.