HI. It is good that the CT scan is normal and there is no return of the cancer. The present problem can be due to the following problems: IBS , yes with the stress and anxiety this is possible. GI Disturbance, may be due to intestinal infection, get treated properly by a full course of an antibiotic and meteronidazole, pro and pre-biotics in sufficient dosage, activated charcoal tablets, anti-anxiety medicines and you may be relieved of the problems. At the same time Consult your Gynecologist about the possibility of hormonal imbalance as you must have undergone total hysterectomy so loosing both the ovaries and this can add to the problems , Discuss about HRT, that i hormone replacement therapy. X-ray in the standing position can help you to get a diagnosis of intestinal obstruction. Take the proper consultations and treatment , you will be fine as CT is normal.