Endoscopy is a nonsurgical procedure used to examine a person's digestive tract. Using an endoscope, a flexible tube with a light and camera attached to it, your doctor can view pictures of your digestive tract on a color TV monitor
Stools that are dark or tarry and smell bad indicate an issue with the upper digestive tract. It frequently denotes bleeding in the colon's right side, small intestine, or stomach. This discovery is referred known as melena.
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