摘要
To the Editor:Malignant biliary strictures are typically associated with highly aggressive and diagnostically challenging diseases,including cholangiocarcinoma,pancreatic cancer,gallbladder cancer,liver cancer,and metastatic cancer.[1]Biliary biopsy during endoscopic retrograde cholangiopancreatography(ERCP)is the primary method for diagnosing biliary stricture.Conducting a biopsy through forceps sampling is a technically intricate procedure that involves maneuvering the biopsy forceps through the duodenal papilla to access the biliary area.Additionally.
基金
supported in part by grants from the National Natural Science Foundation of China(Nos.82070667,82170571,and 81974068)
