TUNA gave me dumping! Why?

I had one bite of tuna for supper and it "got stuck" in my esophagus and I ended up with chills, getting pale, and diarrhea for 20 minutes. YES, I chewed it thoroughly and I am 6 days post-op. Hormel canned chicken didn't "go down well" either. Any ideas?

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.