Thank you for the useful information Sharon.
It appears that the most likely cause for her pain is development of Adhesions, which are fibrotic bands which may form around the bowel loops following surgery.
This is a common condition which affects people who undergo extensive or complicated abdominal surgeries.
Unfortunately adhesions are difficult to pick up on routine investigations like X-rays.
MRI is a useful test to diagnose this, and if this fails to pick the surgeon may perform a laparoscopic diagnostic laparatomy during which he can diagnose and treat the adhesions (adhesionectomy) in one go.
Therefore, you should get back to her surgeon, discuss the details i have mentioned and get a management plan that suits best to her needs.
I would have been worried too if I were at your place, but let me reassure you that this does not sound serious at all. It is a treatable condition and carries a good prognosis with appropriate management.
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