Pancreas body and Tail artifacts, is it peristalsis or gas artifacts?

Can someone please tell me if these artifacts at the pancreatic body and tail are from intestinal peristalsis or is it just intestinal gas? Thank you a bunch ​ https://preview.redd.it/l2ldas2et9d81.png?width=1252&format=png&auto=webp&s=c91ae545ae9bcc08797b10cd8ca9b167c228cb83 ​ https://preview.redd.it/aduc5mift9d81.png?width=1272&format=png&auto=webp&s=9ae98ade4d24fd0d9ea60c0974210cce0747f5d1 submitted by /u/JohnnyA1992 [link] [comments]

source https://www.reddit.com/r/Radiology/comments/sa6vns/pancreas_body_and_tail_artifacts_is_it/