Your Doctor needs to give you a colonoscopy or after an ultrasound it showed I had a mass in my abdomen so they sent me for a CT scan and that is when I got scheduled for surgery the next day and diagnosed with Crohns. I had the same symptons as you, but I thought I had Irritable Bowel Syndrome as well as scar tissue. So keep on the Doctors'. You know your body better than they do.