I have a lot of discomfort (Pressure) on the right side of colon. Also pressure on rectum. Also, sometimes can feel it move up to the transverse colon just below the ribs.I am at a loss what this is I have had all tests also 3 colonoscopies in last three years. The GI doctor says it is gas and eat more fiber and metamucil. I am IBS C and fiber seems to give me pain. I do not understand why it is mostly right side discomfort.I do not seem to have much pain just the unbearable discomfort. Also if I finally pass some gas It will go away. Please has anyone else experienced this. I am so afraid I have a more serious disease. caeli