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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Residual choledocholithiasis after choledocholithotomy T-tube drainage: what is the best intervention strategy?

Fig. 2

The process of CDS operation and ERCP operation. A Choledochoscopy guide wire guide operation. B Choledochoscope observation of residual stones in the common bile duct. C T tube angiography prompts residual stones in the lower part of the common bile duct. D ERCP stone removal basket for stone removal operation. CDS: Choledochfiberscope via the T-tube sinus tract. ERCP: Endoscopic retrograde cholangiopancreatography

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