A Study to Validate the Safety and Feasibility of ArtiSential in Colorectal Cancer Surgery Using Prospectively Constructed Multi-center Registry

Inclusion Criteria: * Age : 18 \~ 80 year old male or female * Biopsy-proven adenocarcinoma * Rectal cancer or Rectosigmoid junction cancer * Primary cancer * Non-metastatic cancer * Planned (or elective) curative resection * Low anterior resection with double-stapled technique Exclusion Criteria: * Preoperative systemic chemotherapy * Distant metastasis at initial diagnosis * Palliative surgery * Emergent surgery * Lynch syndrome or FAP-associated cancer