Gallstones are pieces of stone-like material that collect in the gallbladder. The gallbladder sits under the liver and stores a fluid called bile. Gallstones may be as small as a grain of sand or as large as a golf ball. A person may have one large stone, many tiny stones, or both.
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Gallstones. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/gallstones. Accessed February 9, 2021.
Gallstones. Family Doctor—American Academy of Family Physicians website. Available at: https://familydoctor.org/condition/gallstones. Accessed February 9, 2021.
Gallstones. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/digestive-diseases/gallstones. Accessed February 9, 2021.
Last reviewed February 2021 by EBSCO Medical Review Board
James P. Cornell, MD
Last Updated: 2/9/2021
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