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World J Gastroenterol. Sep 28, 2023; 29(36): 5198-5210
Published online Sep 28, 2023. doi: 10.3748/wjg.v29.i36.5198
Figure 3
Figure 3 Use of endoscopic ultrasound in evaluation of a biliary stricture. A: Linear array endoscopic ultrasound image of a pancreatic head mass, extending into the bile duct resulting in biliary stricture/obstruction and abutting the portal vein; B: Linear array endoscopic ultrasound image of a 22G fine needle biopsy of a pancreatic head mass.