<prompt> Not true of Gall stonesBiliary fistula is a complication gall stoneMore common in femaleClofibrate therapy is a predisposing factorIleal resection has no effect on gall stone formation  <response>: Ans. d Ileal resection has no effect on gall stone formationRef: Sabiston 20th edition Page 1492 Gall stones: Cholesterol stones are common in Ileal resection and in cases of Crohns disease due to decreased Entero hepatic circulation and decreased Bile salts. 