PMC7229231_01
Endoscopic ultrasound showing a 4.9 mm gallstone and acoustic shadow (arrow) in the common bile duct.
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PMC7229231_01_gr1.jpg
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This test was held at 10 AM and showed a dilated common bile duct at 10 mm with an impacted 4.9 mm stone (Fig. 1) and multiple stones in the gallbladder.