Inclusion Criteria:

• * Adults aged 18 and over
• * Undergoing surgical repair of diverticular colovesical fistula

Exclusion Criteria:

• * Patients with active and untreated genitourinary cancers
• * Subjects with known or suspected Inflammatory Bowel Disease as the cause of colovesical fistula.
• * Individuals who are not expected to regain normal bladder function after surgery as defined by either pre-existing bladder dysfunction with chronic indwelling urinary catheter, supra-pubic catheter, or surgical urinary diversion
• * Individuals who require re-operation prior to Foley removal
• * Adults unable to consent
• * Pregnant women
• * Prisoners
• * Individuals who are not yet adults (infants, children, teenagers less than 18 years old)