Well the radiologist called today. He doesn't think there is any obstruction in Duncan's belly, not did he see anything wrong with the pancreas.
He thinks that there are just sticks or twigs in Duncan's stomach that will hopefully pass naturally....*fingers crossed*

So as long as they come out in the next few days we're ok. if not, surgery will still be the option. I've been checking his p**p the last few days and nothing yet! Hopefully soon. Because we all know how I feel about p**p and looking through it is not my favorite thing to do!!!
Sandra, the vet pointed out a separate area in Duncan's stomach where she thinks he may have a gastric ulcer. We're going to deal with the sticks problem first though and see how he does. (He's a worrier, like his mom! )
I think I figured out how he got those twigs in his belly: When we go to the park in the morning, he likes to run through the woods. I dont' like him to because he always gets twigs and burrs stuck in hs tail and the feathering on his legs. Sometimes, he will pull them out with his teeth and spit them out. he may have swallowed some and Wa La....$400 vet bills!!
Anyway, I'm happy that I'm getting closer to closing the chapter on this little incident. And I'm sure you all are too!! What started out as a little taste of butter has turned into something much bigger and poor Duncan has had enough I'm sure!!

Thanks for everything!