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What to expect before, during, and after the upper gastrointestinal (GI) endoscopy procedure and how it finds and treats problems in the upper GI tract.

Overview of the digestive system—how food moves through each part of the GI tract to help break down food for energy, growth, and cell repair.

Overview of Barrett’s esophagus, including the causes and association with GERD, as well as symptoms, treatments, complications, diet, and self-care.

A fact sheet about the relationship between H. pylori infection and gastric cancer, gastric mucosa-associated lymphoid tissue (MALT) lymphoma, and other cancers.

A fact sheet that explains photodynamic therapy, how it is administered, and indications and side effects of treatment.

A fact sheet that describes use of high-intensity light in cancer treatment, its advantages and disadvantages, and types of procedures that use it.

A fact sheet about the health risks associated with cigar smoking.