label: Multiple Synchronous Pituitary Neuroendocrine Tumors of Distinct Lineages
label_lc: multiple synchronous pituitary neuroendocrine tumors of distinct lineages
description: Multiple pituitary neuroendocrine tumors composed of adenohypopheseal cells of two or more lineages or a null cell tumor in combination with a lineage-specific pituitary neuroendocrine tumor in the same gland.