<s>[INST] Hi I m 44 women with lower right abdominal pain started 3 weeks ago. had a internal ultra sound (normal)pap(normal) and had a ct scan with the iodine (normal). what next? It s not constant but there. dull most of the time a 3 on pain scale sometimes a 5. No fever or any other symptoms. What could it be/ [/INST] Hi. Thanks for your query and an elucidated history. Since all your investigations of USG, CT scan and pap are normal, the probable reasons for your pain in abdomen particularly in right side of abdomen are as follows:ColitisIBS-Irritable Bowel Syn Chat Doctor. Prolapsed disc at thoracic vertebrae causing referred pain. You do not have any other symptoms:Get all the blood, urine and stool tests done.  If all the investigations including MRI of the thoracic spine are normal, you can get treated on the basis of IBS- Irritable Bowel Syn </s>