After a sigmoidectomy for sigmoiditis, the functions return to normal.
From the digestive standpoint, there is no need for any particular surveillance. This is a benign illness and no systematic examination is necessary.
If you have been operated on by laparotomy, i.e. with a conventional opening, the only risk is of an incisional hernia. This happens when the muscles open up as a result of sutures failing under the skin. This complication can be detected by your general practitioner who will invite you to visit the surgeon who operated on you.
A simple consultation with the surgeon one month afterwards is necessary to check that everything has returned to normal.