[Retracted] The Number of Intraoperative Intestinal Venous Circulating Tumor Cells Is a Prognostic Factor for Colorectal Cancer Patients

Figure 1

The collection of intestinal venous blood from different patient tumor sites. (a) For tumors of the right colon, blood was collected from the superior mesenteric vein. (b) For tumors of the left colon and the rectum, blood was collected from the mesenteric lower venous blood supply.