The gallbladder is a small, sac-like organ located beneath the liver. Its role is to store bile produced by the liver and release it into the small intestine to aid in digesting fatty and oily foods.

Santiago Horgan, MD, chief of minimally invasive surgery at UC San Diego Health System, was the first surgeon in the U.S. to remove a gallbladder through a patient’s belly button, according to a UCSD ...