Gastroscopy is capable of detecting cancer. As the gold standard of gastric cancer screening, gastroscopy allows direct observation of pathological changes in the gastric mucosa and the location of lesion growth, as well as biopsy for the next step of pathological examination. The gastroscopic examination and pathological examination will be able to determine very accurately whether there is a stomach tumor, compared to other means of examination, gastroscopy, is a very intuitive way of examination.
Gastroscopy can visualize the specific condition of the stomach and esophageal area to the doctor and can be looked at systematically. If the ulcerated surface is seen under the scope, the initial determination can be made by the appearance of the ulcerated surface. However, in order to accurately determine the type of swelling, it is usually necessary to consider taking a biopsy and also testing for tumor marker indicators. This can complement the empirical judgment of the naked eye in the gastroscopy room, and also provide more diagnostic support for the next step of treatment. This is the first time that the patient has been diagnosed with a tumor.