My 13 year old son has been fighting chronic pancreatic is for 2 years now has had every autoimmune genetic test ercp mrcp ducts dilated the works u name it he has done it yet there is no evidence of cause of this disease my son has missed so much school and has just become depressed threw it all I would like to find a doctor who will take the ti.e to actually find the cause or help him with the pain or just do something in general if anyone knows anything please help me