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Relative abundance of bacteria at the phylum, genus, and species level. (A) Healthy controls versus patients with gallstones versus after cholecystectomy. (B) Presence of typical biliary colic symptoms before cholecystectomy. (C) Presence of postcholecystectomy diarrhea 3 months after cholecystectomy. The top 15 bacteria detected at the three levels (phylum, genus, and species) are indicated. PCD, postcholecystectomy diarrhea.
