This issue covers topics critical to a primary care physician such as: Gastroesophageal Reflux, Peptic Ulcer Disease, Selected Disorders of Absorption, Inflammatory Bowel Disease, Irritable Bowel Syndrome, Screening for Cancerous and Pre-cancerous Conditions of the Colon, Approach to the Jaundiced Patient, Primary Care of Chronic Liver Disease, Primary Care of the Hepatic Transplant Patient, Gastrointestinal Aspects of Obesity Management, Chronic Pancreatitis and Chronic Exocrine Insufficiency, and Acute Infectious Diarrhea.