Contributor List xiForeword xvPreface xviiAcknowledgments xixTribute to Shanthi V. Sitaraman xxiLuminal Gastrointestinal Tract 1Shreya Raja and Melanie S. Harrison1 Gastroesophageal Reflux Disease 3Shani Woolard and Jennifer Christie2 Dysphagia 19Emad Qayed and Shanthi Srinivasan3 Peptic Ulcer Disease 35Meena A. Prasad and Lawrence S. Friedman4 Common Upper Gastrointestinal Surgeries 49Rebecca G. Lopez and Edward Lin5 Acute Diarrhea 71Jan‐Michael A. Klapproth6 Chronic Diarrhea 89Sonali S. Sakaria and Robin E. Rutherford7 Irritable Bowel Syndrome 105Kavya M. SebastianContentsviii Contents8 Inflammatory Bowel Disease 113Jan‐Michael A. Klapproth9 Constipation 133Shreya Raja and Shanthi Srinivasan10 Colorectal Neoplasms 149Pruthvi Patel and Vincent W. YangLiver 165JP Norvell11 Liver...