Robotic rectal surgery: State of the art

Table 6 Short term oncologic outcomes

Ref.	Pts	Mesorectum	DSF% (yr)	LR (%)	Distant metastases (%)	OS % (yr)	F-u mo (median)
Park et al[8]	133	RME	81.9 (5)	3 (2.3)	16 (12)	92.8 (5)	58 (4-80)
	84	LME	78.7 (5)	1 (1.2)	14 (16.6)	93.5 (5)	58 (4-80)
Levic et al[9]	56	RME		0 (0)	8 (14.3)		12 (1-31)
	36	LME		0 (0)	2 (5.6)		10 (1-33)
Yoo et al[10]	431	RME	76.7 (3)	6 (12.8)		95.2 (3)	33.9 (4.4-61.3)
	26	LME	75 (3)	2 (8.3)		88.5 (3)	36.5 (3.7-69.9)
Ghezzi et al[16]	65	RME	73.2 (5)	2 (3.2)	19 (29.6)	85 (5)	60
	109	OME	69.5 (5)	17.5 (16.1)	26 (24.2)	76.1 (5)	60
Saklani et al[19]	74	RME	77.7 (3)	2 (2.7)		90 (3)	30.1 (11-61)2
	64	LME	78.8 (3)	4 (6.3)		92.1 (3)	30.1 (11-61)2
Kim et al[25]	62	RME		0 (0)	3 (4.2)	98 (1.5)	17.4
	147	LME		1 (0.7)	8 (5.4)	98 (1.7)	20.6
Kwak et al[28]	59	RME		1 (1.8)	2 (3.6)		17 (11-25)
	59	LME		1 (1.9)	2 (3.7)		13 (9-22)
Patriti et al[31]	29	RME	100 (3)	0 (0)	0 (0)	96.6 (2.4)	29.22
	37	LME	83.7 (3)	2 (5.4)	4 (6)	97.2 (1.5)	18.72
Stănciulea et al[38]	100	RME		2 (2)		90 (3)	24 (9-63)
Alimoglu et al[42]	7	RME	100 (1)	0 (0)	0 (0)	100 (1)	12 (6-21)2
Pigazzi et al[47]	143	RME	77.6 (3)	2 (1.4)	13 (9)	97 (3)	17.4 (0.1-52.5)2

¹1 patient excluded (palliative ISR);

²Mean. DSF: Disease free survival rate; LR: Local recurrence; OS: Overall survival; RME: Robotic mesorectal excision; LME: Laparoscopic mesorectal excision; OME: Open mesorectal excision.