PTCS 카테터와 큰 CBD 결석은 좁은 CBD에서 충격을 받아 췌장 두부 부분을 눌렀지만 카테터는 AOV를 가로 질러 배치되지 않았다.
The PTCS catheter and large CBD gallstones were impacted in the narrow CBD and pressed the pancreatic head portion, although the catheter was not placed across the AOV.