The Process to treat this problem will involve a sigmoid colectomy, which can be the removal of all or some of the sigmoid colon. Immediately after this, a surgeon will eliminate the fistula and patch up the bladder and colon. Some fistulas are current at start due to developmental abnormalities. https://nimmansocial.com/story11472694/5-tips-about-varicose-veins-treatment-you-can-use-today