A Bowel Management Program (Retrograde Rectal Enema) for the Treatment of Low Anterior Resection Syndrome in Rectal Cancer Patients

Inclusion Criteria: * Age ≥ 18 years old * Moderate to Severe LARS diagnosis * Patients with history of rectal cancer that was treated with proctectomy * Has undergone standard medical management without improvement of symptoms for 3-6 months Exclusion Criteria: * Patients presenting with significant stricture that need a definitive surgical management strategy; patients with minor or clinically negligible strictures can still be candidates. Patients who are able to pass the catheter and the balloon per rectum may be candidates after a digital rectal exam at their initial visit * Patients with any chemo or radiation therapy in the last 6 months * Patients who currently have colorectal cancer * Patients with recurrent colorectal cancer * Patients who have undergone a colorectal surgical procedure within the last three months * Patients with progressive neurological disease * Patients with active or recurrent sacral infection * Patients \< 18 years old * Active sacral nerve simulator * Pregnant or planning to become pregnant during the treatment portion of the study * Altered mental status or mental disability that would alter ability to self-administer enema * Any reason the research team believes the subject is not an appropriate candidate for this study (i.e., transportation issues, history of no-show appointments, lack of reliable communications, vulnerable population(s), etc.)