RT Book, Section A1 Jajoo, Kunal A2 Greenberger, Norton J. A2 Blumberg, Richard S. A2 Burakoff, Robert SR Print(0) ID 55959227 T1 Chapter 29. Polypectomy T2 CURRENT Diagnosis & Treatment: Gastroenterology, Hepatology, & Endoscopy, 2e YR 2012 FD 2012 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-176848-1 LK accessmedicine.mhmedical.com/content.aspx?aid=55959227 RD 2024/04/19 AB Many epithelial tumors of the gastrointestinal tract develop as benign polyps before becoming malignant, as discussed in detail in earlier sections of this book. These may be symptomatic or asymptomatic, pedunculated or sessile, and range in size from millimeters to many centimeters in diameter. If confined to the mucosa or superficial submucosa, they are nearly all amenable to endoscopic removal by one of a variety of polypectomy techniques, endoscopic mucosal resection (EMR), or endoscopic submucosal dissection (ESD).