a pituitary gland tumor, 3d

hypophysis tumor pituitary brain neurosurgery medical illustration endocrine disorder disturbances adenoma craniopharyngioma rathkes cleft cyst carcinoma cancer tumour oncology glioma hypothalamic hypothalamus prolactinoma somatotropinoma cancerous benign malignant neoplasm neoplasia organ central nervous system black background isolated 3d treatment diagnosis