Welcome, @pfrances. to help you on your pursuit to monitor the pancreatic dilation, here are a few discussions that may be helpful.
- Dilated pancreatic duct: What to do?
https://connect.mayoclinic.org/discussion/4mm-dilated-duct-pancreas/
- Sphincter of Oddi Dysfunction: What helps you?
https://connect.mayoclinic.org/discussion/i-have-sphincter-of-oddi-dysfuncfion-it-causes-severe-upper-abdominal-pain/
See more discussions using the group search: https://connect.mayoclinic.org/group/pancreatic-cancer/?search=dialation&index=discussions

How often are you being monitored?