Neuroendocrine tumors (NET) begin in the neuroendocrine system of the body, developing in cells that interact with neurons and hormone-producing cells. These cells can be found throughout the body, but most often in the abdomen, particularly in the gastrointestinal tract. The tumor can also develop in the lungs, pancreas, and adrenal glands. In about 15% of cases, the primary site of the neuroendocrine tumor is not identified.
Neuroendocrine tumor symptoms can vary widely depending on the tumor's location and the hormones it produces. While some neuroendocrine tumors are slow-growing and may not cause noticeable symptoms, others can lead to significant health issue...
