This is a relatively new specialty dealing with minimal access techniques using cameras and small instruments inserted through 0.3 to 1 cm incisions. robotic surgery is now evolving from this concept (see below). Gallbladders, appendices, and colons can all be removed with this technique. Hernias are now repaired mostly laparoscopically. Most bariatric surgery is performed laparoscopically. General surgeons that are trained today are expected to be proficient in laparoscopic procedures.