Neuroendocrine tumors are a complex group of tumors that develop predominantly in the digestive or respiratory tract but can occur in many areas of the body. These tumors arise from cells called neuroendocrine cells. Like all cancers, NETs develop when the specialized cells undergo changes, causing them to divide uncontrollably and grow into an abnormal tissue mass (tumor).
The epidemiology of neuroendocrine tumors paints a compelling picture of a growing health concern, particularly in the United States and the EU4 (Germany, France, Italy, and Spain) plus the United Kingdom. In 2023, the U.S. recorded nearly 29,500 new incident cases, with projections indica...