Observational Study on GEP-and Pulm-NET Treated at FPG

This is an observational study (no new experimental treatments) that tracks and collects data on patients with neuroendocrine tumors (NETs) of the stomach, intestine, pancreas, or lungs who are being treated at a specific hospital. The goal is to better understand how these tumors behave and how patients respond to treatment over time. **You may be eligible if...** - You are 18 or older and have been diagnosed with a neuroendocrine tumor of the stomach, bowel, pancreas, or lungs, confirmed by biopsy - Your disease has been assessed by imaging as resectable, locally advanced, or metastatic - You have had at least one follow-up visit after your first oncology appointment at this hospital - You are willing to sign an informed consent form **You may NOT be eligible if...** - Your diagnosis has not been confirmed by biopsy or tissue analysis - There is not enough clinical data available to track your survival outcomes - You declined to sign the informed consent form Talk to your doctor to see if this trial is right for you.