Pain in left side over a year after and sigmoid resection.

Hi there. The pain that you are experiencing can come from several causes, and more commonly this can indeed be due to simple muscle stress or fatigue. The pain can also come from some damaged nerves that was acquired from the previous operation. However, knowing your background of a sigmoid malignancy, any new pain or any new symptom for that matter should be worked up and treated as if it were a tumor recurrence until it is proven otherwise. I suggest that you have this evaluated by your doctor and possibly do some tests such as CEA levels (which if elevated can give us a clue if this is indeed a recurrence) or imaging studies such as a CT scan. A repeat colonoscopy may also be helpful if your doctor deemed it necessary. I hope that everything will turn out fine and that this is really just due to something benign. Regards and God bless.

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