Add Yahoo as a preferred source to see more of our stories on Google. Your gallbladder may seem like a mysterious part of your body. What does it do, anyway? Until you have gallbladder pain, you may ...

Gallbladder cancer is a rare but serious type of cancer where abnormal cells in the gallbladder grow out of control. The gallbladder, a small organ under the liver, stores bile to help digest food.