The editors of Neonatal Medicine have confirmed that this paper and “jejunal atresia due to heterotopic pancreatic intussusception. Journal of Pediatric Surgery Case Reports 2021;66:101805” have been duplicated with the identical content. It was difficult to prove that the researchers’ conduct was intentional, but their understanding of publication ethics has been deemed insufficient. By the Neonatal Medicine Ethics Committee, this paper has been retracted from the Neonatal Medicine.