The advent of the fiberoptic and subsequently endoscopic technology has allowed the surgeon to examine the upper and lower GI tract. This has provided a cost-effective means of cancer surveillance, monitoring of gastrointestinal pathology as well as enhancing minimally invasive therapeutic options. Endoscopy is considered both a diagnostic and therapeutic intervention for this reason. The surgeon should have a basic understanding of the scope mechanism as well as the most common disease processes that the scope can be used to diagnose and treat.

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