Pain abt 20min after eating. upper rt back rad to shoulder. feels like object deep inside creating press. no gb. ercp opened stenosis last yr. ideas?

A number of things: Sounds as if you have had extensive evaluation of some digestive complaints. There could be a variety of sources: recurrent stenosis of the opening of the bile/pancreatic duct (ampulla) causing blockage and pancreatitis; ulcer disease, esophageal disorders including spasm or blockage, intestinal blockage or insufficient blood supply. You might want to seek a second opinion from a GI specialist