MONDO_0021439 (benign neoplasm of pituitary gland) is a benign neoplasm that involves the pituitary gland. Also known as: benign neoplasm of pituitary, benign neoplasm of the pituitary, benign neoplasm of the pituitary gland, benign pituitary gland neoplasm, benign pituitary gland tumor, benign pituitary gland tumour, benign pituitary neoplasm, benign pituitary tumor.