After A Week Of Post Op Intensifying Pain, Along With

After a week of post op intensifying pain, along with intermittent vomiting and dry heaves. I had a Stent put in the pancreas. I am now vomiting grey and brownish bile with some chunks that is very smell and offensive. I'm mostly on liquids with some crackers. Should I return to the er.? My lipase, amylase, and liver functions are normal.