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cho·le·li·thi·a·sis .kō-li-lith-'ī-ə-səs n, pl -a·ses -.sēz production of gallstones also the resulting abnormal condition
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n.
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cho·le·li·thi·a·sis (ko″lə-lĭ-thiґə-sis) [chole- + lithiasis] the presence or formation of gallstones; they may be either in the gallbladder (cholecystolithiasis) or in the common bile duct (choledocholithiasis).Medical dictionary. 2011.