Pituitary Adenoma 2, Growth Hormone-Secreting, also known as acromegaly due to pituitary adenoma 2, is related to tsh producing pituitary tumor and hormone producing pituitary cancer. An important gene associated with Pituitary Adenoma 2, Growth Hormone-Secreting is GPR101 (G Protein-Coupled Receptor 101). Affiliated tissues include pituitary, and related phenotypes are pituitary adenoma and elevated circulating growth hormone concentration