MONDO_0006388 (prolactin-producing pituitary gland carcinoma) is a rare, hormonally functioning or non-functioning pituitary gland adenocarcinoma that produces prolactin. Also known as: PRL producing pituitary gland carcinoma, malignant pituitary gland prolactinoma, malignant pituitary prolactinoma, malignant prolactin producing neoplasm of pituitary, malignant prolactin producing neoplasm of pituitary gland, malignant prolactin producing neoplasm of the pituitary, malignant prolactin producing neoplasm of the pituitary gland, malignant prolactin producing pituitary gland neoplasm.