Minimally invasive surgical management of refractory abdominal pain (advanced pancreatic cancer, chronic pancreatitis, renal cysts) In clinical work, there are some patients, such as renal cysts, chronic pancreatitis, or inoperable advanced pancreatic cancer, and other abdominal tumors can lead to refractory abdominal pain, and the patients usually need to use a lot of pain medications, refractory pain, and even shorten the life span of these patients. Palliative care is important for patients with pancreatic cancer, especially pain management. Current pain management is mainly opioids. However, 55% of patients do not benefit from opioids, and side effects, including depression, nausea and vomiting, and constipation, become apparent as the tolerated dose of the drug is gradually increased. Thoracoscopic visceral neurectomy can be an effective treatment for refractory abdominal pain. Thoracoscopic visceral neurectomy generally removes large visceral nerves, small visceral nerves, and other tissues, and can be effective in relieving refractory abdominal pain. The procedure is proven and effective, providing significant relief from abdominal pain and reducing dependence on drugs such as morphine.