<p>Etiology and Mechanisms of Chronic Abdominal Pain.- The Epidemiology of Chronic Abdominal Pain.- Establishing Diagnosis of Chronic Abdominal Pain: Gastroenterologist View.- Establishing Diagnosis of Chronic Abdominal Pain: Pain Medicine view.- Lessons Learned from Visceral Sensory Stimulation: Implications for Treatment of Chronic Abdominal Pain.- Abdominal Pain in Irritable Bowel Syndrome (IBS).- Gastroparesis: Pathophysiology of Chronic Abdominal Pain and Current Treatment.- Chronic Pain Due to Postsurgical Intra-Abdominal Adhesions: Therapeutic Options.- Chronic Pancreatitis with or without Acute Exacerbations: Novel Options for Pain Control.- Chronic Abdominal Pain of Gynecologic Causes: Diagnosis and Treatment.- Pediatric Chronic Abdominal Pain: Etiology, Diagnosis and Treatment.- Interventional Treatment of Chronic Abdominal Pain in Children.- Cancer-Related Abdominal Pain.- Opioids in Abdominal Pain.- Sympathetic Blocks for Chronic Abdominal Pain.- Radiofrequency and Neurolysis for the Treatment of Chronic Visceral Abdominal Pain.- Regional Anesthesia for Abdominal/Truncal Pain.- Chronic Abdominal Wall Pain: Diagnosis and Interventional Treatment.- Spinal Cord Stimulation for Chronic Abdominal Pain.- Peripheral Nerve Stimulation for Chronic Abdominal Pain.- Gastric and other Visceral Stimulation for Chronic Painful Gastrointestinal Motility Disorders.- Intrathecal Therapy for Non-malignant and Malignant Abdominal Pain.- Surgical Options for Chronic Visceral Abdominal Pain.- Neurosurgical Options for Control of Chronic and Malignant Abdominal Pain.- Psychological Determinants and Treatments for Chronic Abdominal Pain. </p>