Some stomach polyps cause characteristic symptoms like darkening of the mouth but still requires further investigation for a conclusive diagnosis. It is usually found incidentally during gastroscopy, computed tomography (CT) scan and sometimes large tumors may be identified on X-ray. An upper gastrointestinal (GI) endoscopy is the preferred …
https://www.healthhype.com/benign-stomach-tumors-non-cancerous-growths.html

