Benign duodenal tumors may deteriorate. Most of the benign duodenal tumors do not have specific manifestations, or even no symptoms in the early stage, some patients may have abdominal masses, abdominal pain, abdominal distension, or even vomiting blood and blood in stool and other clinical manifestations. Benign duodenal tumors are relatively rare, although the current examination of the tumor is benign, but it depends on the different types of tumors and the different physique of each person, the probability of malignant transformation is also different. Surgical resection of benign duodenal tumors is the best treatment and should be done as early as possible. However, there are also those with higher malignant tendency, such as duodenal microadenomas and villous adenomas. If you have a benign tumor of the duodenum, it is important to go to the hospital in time to consult with a doctor to determine the treatment method for treatment.