Source:http://linkedlifedata.com/resource/umls/id/C0496842
NCI: A primary or metastatic malignant neoplasm affecting the pituitary gland. Representative examples include functioning or non-functioning carcinomas arising from the anterior lobe of the pituitary gland, chordomas, chondrosarcomas, and metastatic carcinomas from the breast, lung, and gastrointestinal tract.