Gallbladder removal surgery is performed when your gallbladder stops working
properly or you have severe pain from gallstones.
Removal of the appendix or appendectomy is performed to remove the appendix when
it is inflamed or infected.
Gastroesophageal Reflux Disease (GERD)
Gastroesophageal reflux occurs when stomach acid flows back up the esophagus and
into the mouth, causing heartburn. The surgery involves increasing pressure in
the lower part of the esophagus to prevent acid from flowing back up.