Is gastrin elevation an early symptom of cancer?

Gastrin elevation is not necessarily an early symptom of cancer, but may also be caused by gastritis, gastric ulcer, gastrinoma. Gastritis, gastric ulcer, duodenal ulcer during the disease, patients will not only show inflammation and ulcer surface on the gastric mucosa, but also show a slight increase in gastrin, accompanied by nausea, vomiting, abdominal distension and other manifestations. Such patients in the use of drugs, gastrin can return to normal. Gastrin tumor is a benign tumor disease, which can be improved after surgery, so it is not a cancer category. Gastrin increase indicates that there is a certain possibility of gastric cancer, but not 100%. Further diagnosis should be made when gastrin is elevated, especially pathological examination should be performed to diagnose gastric cancer.