The main branches of surgery are: general surgery (general surgery for short): mainly in charge of breast, thyroid, liver, gallbladder, pancreas, spleen, stomach, intestine and blood vessels; Cardiothoracic surgery: thoracic organs, such as heart, lungs, esophagus, etc. Urology: kidney, ureter and urethra; Neurosurgery: brain and spinal cord; Orthopedics: skeleton and motor system; And burns, plastic surgery, etc.