What does a gastroscopy check for?

Gastroscopy can understand the upper digestive tract such as esophagus, stomach, duodenal bulb and descending papilla above the acute and chronic inflammation, ulcers, polyps, benign and malignant tumors, bleeding diseases. If necessary, biopsy of suspicious or obvious pathological tissues can be taken in time for pathological examination during the examination, and esophageal foreign body removal, esophageal stricture expansion, polypectomy, endoscopic resection of early cancer of upper digestive tract, stent placement for advanced esophageal cancer, and hemostasis under endoscopy within the scope of various digestive tract bleeding can be performed in time. Colonoscopy can examine and treat colorectal lesions in the lower digestive tract (i.e., from the ileocecal region down), including the ileocecal region, ascending colon, liver region, transverse colon, splenic region, descending colon, sigmoid colon, rectum, biopsy, and endoscopic treatment.