chapter 1 CT Colonography (Virtual Colonoscopy) / chapter 2 MR Colonography / chapter 3 MR Imaging of the Liver / chapter 4 Applications of Microbubbles in Liver Ultrasound / chapter 5 Liver Imaging: Multislice CT / chapter 6 Multislice CT Angiography of the Hepatic and Mesenteric Vasculature / chapter 7 Positron Emission Tomography of the Gastrointestinal Tract / chapter 8 Evaluation of the Small Intestine by MR Imaging / chapter 9 Multiplanar CT Enterography / chapter 10 Radiofrequency Ablation of Liver Disease / chapter 11 Endoscopic Ultrasound / chapter 12 Imaging Rectal Cancer / chapter 13 Self-Expanding Metal Colonic Stents / chapter 14 Imaging the Anal Canal / chapter 15 Dynamic Imaging of the Pelvic Floor