What is the best surgical procedure of transverse colon cancer? An evidence map and minireview

Figure 1 Heatmap of evidence and gap[2,3,5-8,14,25,31,36,59]. Transverse colectomy group: The percentage of transverse colectomy in all post-operative transverse colon cancer patients; Rob/lap surgery group: The percentage of robotic and laparoscopic surgery in all post-operative transverse colon cancer patients; complete mesocolic excision (CME) concept group: (1) 100%: All operation followed the concept of CME; (2) 0%: All operation was not followed CME, or published earlier than the CME; and (3) 50%: Apart from above two conditions, all other unclear description about application of CME. CME: Complete mesocolic excision.