Results: Of the forty-four patients with colorectal cancers: 15 colon cancers: 4 ascending colon cancers - right hemicolectomy, 2 left colon cancers - left hemicolectomy, 9 sigmoid colon cancers - sigmoid colectomy; 29 rectal cancers include: 2 anterior resection, 16 low anterior resection, 4 ultra-low anterior resection, 7 abdominoperineal resection.