In this book, leading experts provide step-by-step, illustrated descriptions of their standard surgical techniques (open and laparoscopic) for diverse gastrointestinal indications and their preferred modifications when confronted by challenging circumstances associated with an increased risk of intra- or postoperative complications. The provision of several points of view for each surgical indication ensures that approaches from the conservative to the more radical are conveyed. It is clearly explained in which situations use of the described technical variations may be indicated, and practical tips are provided on the avoidance of complications. In addition, important medicolegal issues are discussed and guidance is offered on risk assessment and decision analysis within the surgical setting. The book will be an invaluable aid to decision making and practice for every gastrointestinal surgeon.