Efficiency of Neurostimulation of Tibial Nerve in the Treatment of Low Anterior Resection Syndrome

Inclusion Criteria: * Patients older than 18 and under 75 years who have been undergone anterior resection of the rectum with sphincter preservation for rectal cancer * Patients with LARS score \> 29 Exclusion Criteria: * Patient with intestinal inflammatory disease * Patients with known irritable colon disease * Pregnancy patients * Patients with others intestinal resection segments different from the rectum * Patients with metastatic disease * Patient with previous history of posterior tibial neurostimulation or sacral nerve stimulation