MONDO_0021468 (benign neoplasm of adrenal medulla) is a benign neoplasm that involves the adrenal medulla. Also known as: adrenal medulla benign neoplasm, benign adrenal medulla neoplasm, benign adrenal medulla tumor, benign adrenal medulla tumour, benign neoplasm of the adrenal medulla, benign tumor of adrenal medulla, benign tumor of the adrenal medulla, benign tumour of adrenal medulla.