Gallstones are hardened deposits of digestive fluid that can form in our gallbladder. The gallbladder is a small, pear-shaped organ on the right side of the abdomen, just beneath the liver.
The gallbladder holds a digestive fluid called bile that is released into the small intestine.
Gallstones can vary from being as small as a grain of sand to as large as a golf ball. Some people develop just one gallstone,...