ecrin-mdr-crcClinical2021Colorectal CancerGastric CancerStomach NeoplasmsColorectal CancerGastric CancerStomach NeoplasmsObservationalhttps://newmdr.ecrin.org/Study/2373519China10ECRIN MDRCompletedfalsePerforming Laparoscopic Surgery for Colorectal and Gastric Cancer Outside the Primary Registered Medical InstitutionThis study investigates the safety and feasibility of performing laparoscopic surgery for colorectal and gastric cancer inside versus outside the primary registered medical institution under multi-sites practice (MSP) policy. This is a single practitioner, retrospective comparative study. The endpoints are peri-operative outcomes, pathological results, and medical costs.2021-10-152373519NCT04834661