Fig. 2From: Cholelithiasis and the risk of intrahepatic cholangiocarcinoma: a meta-analysis of observational studiesForrest plot showing the correlation between bile duct stones and the risk of intrahepatic cholangiocarcinoma. Subgroup 1 included patients with only choledocholithiasis, whereas subgroup 2 included patients with both hepatolithiasis and choledocholithiasisBack to article page