An endoscopy is any procedure that allows a doctor to look inside the body. The endoscope is a long, thin tube-like instrument with a camera at the end. The doctor inserts this tube into the body through a small incision and maneuvers it to see inside a specific body part. Endoscopies are minimally invasive procedures.
An upper GI endoscopy examines the lining of the upper GI tract. The doctor inserts the endoscope through the mouth, then through the esophagus, stomach, and into the upper intestine. Upper GI endoscopies investigate many health problems, including bleeding, pain, persistent heartburn, unexplained weight loss, ulcers, blockages, and inflammation. The doctor may also collect a tissue sample for a biopsy or remove growths during this exam.
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