RecruitingDevice studyEndo-SPONGE for Treatment of Anastomotic or Hartmann's Stump Leakages in Lower Pelvic AreaThis study is intended to evaluate the safety and effectiveness of Sponge-based Endoscopic Vacuum Therapy (EVT) using Endo-SPONGE for the treatment of Anastomotic Leaks (AL) or Hartmann's stump leakages following colorectal surgery in a prospective multi-center study.