Gallstones

Provided by: Healthwise
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Picture of gallbladder and gallstones

Gallstones develop when cholesterol and other substances in the bile form crystals that become hard stones in the gallbladder. The gallbladder is a small sac located just under the liver. Gallstones can form when too much cholesterol is in the bile or when the gallbladder does not empty properly.

Medical Review:Kathleen Romito, MD - Family Medicine
Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology
Last Updated: 08/02/2007

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