General Surgery Surgery 217 Minimally Invasive Surgery 40 Minimally invasive surgery 40 Abdominal Surgery 38 Abdominal surgery 38 Colorectal Surgery 30 more ... Rectum—Surgery  30 Surgical Procedures, Operative 26 Gastroenterology 24 Gastroenterology  24 Surgical Oncology 23 Surgical oncology 23 Thoracic Surgery 23 Thoracic surgery 23 Vascular Surgery 19 Vascular surgery 19 Critical care medicine 18 Intensive / Critical Care Medicine 18 Traumatic Surgery 17 Traumatology 17 Urology 15 Oncology 14 Emergency Medicine 13 Emergency medicine 13 Oncology   13 Plastic Surgery 12 Plastic surgery 12 Radiology 12 Imaging / Radiology 11 less ...