My wife had a colonoscopy and polypectomy done here by Dr. Hamerski a few days ago. Hamerski, Binmoeller, and their associates use a polypectomy technique developed by Binmoeller, called "underwater" endoscopic mucosal resection, which they believe to be superior, both in efficacy and safety, to the most common methods currently widely used, in conjunction with ultrasound and special imaging technologies. They have lots of papers, talks, and videos online if you search for