Diego Foschi is a Full Professor of General Surgery at the Department of Biomedical Sciences ‘Luigi Sacco’,University of Milan. In 2013 he became Head of the School of General Surgery, University of Milan, and from 2011 to 2018 he was Director of the Department of Surgery, L. Sacco Hospital, University of Milan. He subsequently became Head of the Unit of General Surgery 2 at the same University Hospital.Author of 125 Scopus listed publications in general, bariatric, and oncologic surgery, he is Honorary President of the Società Lombarda di Chirurgia and President-elect of the Italian Society for the Surgery of Obesity and Metabolic Disorders. He is also a member of the Italian Society of Surgery, the International Federation for the Surgery of Obesity and Metabolic Disorders, the International College of Surgeons, and the American Academy of Sciences. Giuseppe Navarra is a Full Professorof General Surgery at the Department of Human Pathology of Adult and Evolutive Age ‘G. Barresi’, University of Messina.  From 2008 to 2013 he was Coordinator of the PhD program in Clinical and Biomolecular Hepato-Gastroenterology and subsequently Director of the Training program in Visceral Surgery in the same University.Professor Navarra is author of 171 Scopus listed publications, in general and bariatric surgery, surgical oncology, in-coming President of the Italian Society of Research in Surgery and Vice-president of the Italian Society of Endoscopic Surgery and New Technologies.He is also a member of the Italian Society of Surgery, Italian Society for the Surgery of Obesity and Metabolic Disorders, and the International Federation for the Surgery of Obesity and Metabolic Disorders.

• Foreword.- 1 The frailty of the obese patients and the effect of surgical stress.- 2 Emergency anaesthesia in the obese patient.- 3 Perioperative and intensive care management of the obese surgical patient.- 4 Postoperative complications in ICU.- 5 The ERAS protocol.- I CLINICAL SETTINGS IN OBESE PATIENTS.- 6 Trauma and burns in obese patients.- 7 Perforations of the upper gastrointestinal tract.- 8 Acute Diverticolitis.- 9 Acute appendicitis.- 10 Pancreatic and biliary emergencies.- 11 Bowel obstruction.- 12 Abdominal compartment syndrome.- II CLINICAL SETTING AFTER BARIATRIC SURGERY.- 13 The evolution and development of bariatric surgery.- 14 Metabolic complications after b.s.: the faulse acute Abdomen.- 15 Complications after bariatric surgery.: a general overview.- 16 Complications of BIB therapy.- 17 Complications of restrictive operation.- 18 Upper G-I bleeding after bariatric surgery.- 19 Peptic ulcer after bariatric surgery.- 20 Bowel obstruction after bariatric surgery.- 21 Acute peritonitis and abscess after bariatric surgery.- 22 Anastomotic leakage after bariatric Surgery: from prevention to treatment.- 23 Gallstones  and related complications, cholecistitis and Cholangitis after bariatric surgery.- 24 Emergencies After bariatric surgery: the role of flexible endoscopy and interventional radiology.- 25 Extreme remedial surgery for b.s. acute complications.- 26 Accreditation of the surgeon to emergency bariatric surgery.- 27 Litigation after bariatric surgery.

Diego Foschi is a Full Professor of General Surgery at the Department of Biomedical Sciences ‘Luigi Sacco’,University of Milan. In 2013 he became Head of the School of General Surgery, University of Milan, and from 2011 to 2018 he was Director of the Department of Surgery, L. Sacco Hospital, University of Milan. He subsequently became Head of the Unit of General Surgery 2 at the same University Hospital.Author of 125 Scopus listed publications in general, bariatric, and oncologic surgery, he is Honorary President of the Società Lombarda di Chirurgia and President-elect of the Italian Society for the Surgery of Obesity and Metabolic Disorders. He is also a member of the Italian Society of Surgery, the International Federation for the Surgery of Obesity and Metabolic Disorders, the International College of Surgeons, and the American Academy of Sciences. Giuseppe Navarra is a Full Professorof General Surgery at the Department of Human Pathology of Adult and Evolutive Age ‘G. Barresi’, University of Messina.  From 2008 to 2013 he was Coordinator of the PhD program in Clinical and Biomolecular Hepato-Gastroenterology and subsequently Director of the Training program in Visceral Surgery in the same University.Professor Navarra is author of 171 Scopus listed publications, in general and bariatric surgery, surgical oncology, in-coming President of the Italian Society of Research in Surgery and Vice-president of the Italian Society of Endoscopic Surgery and New Technologies.He is also a member of the Italian Society of Surgery, Italian Society for the Surgery of Obesity and Metabolic Disorders, and the International Federation for the Surgery of Obesity and Metabolic Disorders.

• Foreword.- 1 The frailty of the obese patients and the effect of surgical stress.- 2 Emergency anaesthesia in the obese patient.- 3 Perioperative and intensive care management of the obese surgical patient.- 4 Postoperative complications in ICU.- 5 The ERAS protocol.- I CLINICAL SETTINGS IN OBESE PATIENTS.- 6 Trauma and burns in obese patients.- 7 Perforations of the upper gastrointestinal tract.- 8 Acute Diverticolitis.- 9 Acute appendicitis.- 10 Pancreatic and biliary emergencies.- 11 Bowel obstruction.- 12 Abdominal compartment syndrome.- II CLINICAL SETTING AFTER BARIATRIC SURGERY.- 13 The evolution and development of bariatric surgery.- 14 Metabolic complications after b.s.: the faulse acute Abdomen.- 15 Complications after bariatric surgery.: a general overview.- 16 Complications of BIB therapy.- 17 Complications of restrictive operation.- 18 Upper G-I bleeding after bariatric surgery.- 19 Peptic ulcer after bariatric surgery.- 20 Bowel obstruction after bariatric surgery.- 21 Acute peritonitis and abscess after bariatric surgery.- 22 Anastomotic leakage after bariatric Surgery: from prevention to treatment.- 23 Gallstones  and related complications, cholecistitis and Cholangitis after bariatric surgery.- 24 Emergencies After bariatric surgery: the role of flexible endoscopy and interventional radiology.- 25 Extreme remedial surgery for b.s. acute complications.- 26 Accreditation of the surgeon to emergency bariatric surgery.- 27 Litigation after bariatric surgery.