There has been incredible progress over the last decade in therapeutic endoscopy. Such therapies are either easier now than ten years ago or are possible when previously they were inconceivable. These advances have depended upon major improvements in diagnostic endoscopy for different subspecialties. Simultaneously, a major innovation for therapeutics through endoscopes is the application of medical lasers. This book is written by renowned biophysicists and laser endoscopists of different sub specialties where the application of lasers has revolutionized medical care. In some cases treatments...