Surgery involves broad knowledge and clinical procedural skills. It involves anatomy, physiology, pathophysiology, investigation, differential diagnosis, infection control, and surgical and non-surgical management. Core General Surgery covers breast surgery, gastrointestinal and colorectal surgery, surgical oncology, and transplantation, among others. However, Surgery encompasses many subspecialty areas. These relate to different organs and bodily systems, type of patient and disorder, or the type of medical procedure involved. All subspecialties look at managing patients with trauma and emergency conditions, with sepsis and/or who are critically ill, as well as providing specialist services for patients with congenital or acquired disorders. It involves a wide range of surgical techniques and competencies and an awareness of the benefits and limitations of each procedure. Surgery services involve multidisciplinary care, therapies, follow up, and palliative care, and are provided in hospitals and private clinics. Surgical subspecialties include: Cardio-thoracic surgery, General surgery, Neurosurgery, Orthopaedic surgery, Otolaryngology – head and neck surgery, Oral and maxillofacial surgery, Paediatric surgery, Plastic surgery, Urology, and Vascular surgery.