Table 1. Clinical and demographic characteristics of patient population.

Patient ID	Gender	Age (years)	CEA (mg/L)	Neoadjuvant therapy	cTNM stage	Surgery date (M, Y)	Surgery procedure	Histopathologic diagnosis	Clinical outcome (01/2019)
#01 BF	Male	52	8.15	0	III C	07/2015	ARR	Adenocarcinoma	Surgical wound infection; oliguria
#02 CD	Female	52	5.24	0	IV A	11/2015	ARR	Mucinous adenocarcinoma	No complication
#03 PM	Male	54	8.03	0	III C	11/2015	ARR	Adenocarcinoma	No complication
#04 ME	Male	58	6.20	1	III B	11/2015	ARR	Adenocarcinoma	No complication
#05 PG	Male	58	2.25	0	I	10/2015	ARR	Adenocarcinoma	No complication
#06 MM	Male	61	3.75	0	III B	09/2015	ARR	Adenocarcinoma	No complication
#07 AM	Male	65	1.20	1	II A	04/2016	ARR with ileostomy	Adenocarcinoma	No complication
#08 MMG	Female	74	18.8	1	II A	10/2015	ARR with ileostomy	Adenocarcinoma	No complication
#09 MG	Male	75	46.6	0	IV A	10/2015	Right hemicolectomy	Adenocarcinoma	Death after 4 months
#10 SGC	Male	77	2.72	1	III B	02/2016	ARR with ileostomy	Adenocarcinoma	Paralytic ileus
#11 SA	Male	78	1.59	0	III B	11/2015	ARR with ileostomy	Adenocarcinoma	Death after 4 months
#12 SR	Female	79	83.2	0	III C	08/2015	Right hemicolectomy	Adenocarcinoma	Death after 26 months
#13 CN	Female	80	15.8	0	II A	09/2015	ARR with ileostomy	Adenocarcinoma	No complication
#14 GM	Male	83	10.1	0	II B	08/2015	Right hemicolectomy	Adenocarcinoma	No complication
#15 DA	Male	90	5.78	0	I	01/2016	TEM	Adenocarcinoma	No complication

ARR, anterior rectus-colonic resection; TEM, transanal endoscopic microsurgery.