Prestoma-Trial for Parastomal Hernia Prevention

Inclusion Criteria: * Abdominoperineal resection for rectal cancer with permanent end colostomy, either by laparoscopic technique or robotic assistance * 18 years or older * Patient has a life expectancy of at least 12 months. * Patient signs the Informed consent and agrees to attend all study visits. Exclusion Criteria: * Abdominoperineal resection by laparotomy or conversion to laparotomy * Patient with a comorbid illness or condition that would preclude the use of surgery (ASA 4-5). * Patients with concurrent or previous malignant tumors within 5 years before study enrollment * Patients with T4b tumors which impose a multi-organ resection * Rectal malignancy other than adenocarcinoma * Potentially curable resection not possible * Patient undergoing emergency procedures * Planned rectal surgery along with major concomitant procedures (e.g. hepatectomies, other intestinal resections). * Metastatic disease with life expectancy of less than 1 year * Pregnant or suspected pregnancy * Patients living geographically distant and/or unwilling to return for follow-ups or comply with all study requirements