Robot-assisted surgery for gastric cancer

Table 1 Summary of studies reporting use of robotic surgery for gastric cancer

Ref.	Year	Type of study	Type of surgery	Stage1	Type of resection	No. of patients
						Total	R	L	O
Patriti et al[21]	2008	CS	R	6 patients I, 6 patients II, 1 patient III	8 DG, 4 TG, 1 PG	13	13
Lee et al[22]	2011	CS	R	I	DG	12	12
D'Annibale et al[23]	2011	CS	R	17 patients I, 6 patients II, 1 patient III	11 TG, 13 DG	24	24
Isogaki et al[24]	2011	CS	R	N/A	46 DG, 14 TG, 1 PG	61	61
Kim et al[25]	2013	CS	R	11 patients I, 1 patient III	N/A	12	12
Liu et al[26]	2013	CS	R	26 patients I, 32 patients II, 46 patients III	38 DG, 54 TG, 12 PG	104	104
Park et al[27]	2013	CS	R	178 patients I, 22 patients II or more advanced	154 STG, 46 TG	200	200
Tokunaga et al[28]	2014	CS	R	IA	18 DG	18	18
Anderson et al[29]	2007	CS	R	Early GC	7 STG	7	7
Song et al[30]	2009	CS	R	Early GC	67 STG, 33 TG	100	100
Hur et al[31]	2010	CS	R	N/A	5 STG, 2 TG	7	7
Uyama et al[32]	2012	CS	R	18 patients IA, 7 patients IIA to IIIC	25 DG	25	25
Yu et al[33]	2012	CS	R	N/A	29 DG, 12 TG	41	41
Jiang et al[34]	2012	CS	R	24 patients I, 28 patients II, 68 patients III2	62 DG, 35 TG, 23 PG	120	120
Hyung et al[18]	2007	NC	R vs L	N/A	N/A	30	10	20
Song et al[19]	2009	NC	R vs L	R: 20 patients I, L: 37 patients I, 3 patients II	R: 20 DG, L: 40 DG	60	20	40
Pugliese et al[35]	2010	NC	R vs L	37 patients early GC, 33 patients advanced GC	64 STG	64	16	48
Woo et al[17]	2011	NC	R vs L	827 patients Ia or Ib	R: 172 DG, 62, 2 CT; L: 481 DG, 108 TG, 2 CT	827	236	591
Eom et al[36]	2012	NC	R vs L	R: 25 patients I, 3 patients II, 2 patients III, L: 56 patients I, 6 patients II	DG both groups	92	30	62
Park et al[37]	2012	NC	R vs L	R: 27 patients I, 3 patients II; L: 108 patients I, 11 patients II, 1 patient III	DG both groups	150	30	120
Yoon et al[38]	2012	NC	R vs L	R: 29 patients I, 7 patients II, L: 55 patients I, 7 patients II, 3 patients III	TG both groups	101	36	65
Kang et al[39]	2012	NC	R vs L	R: 82 patients I, 11 patients II, 7 patients III	R: 84 STG, 16 TG	382	100	282
Hyun et al[40]	2013	NC	R vs L	R: 30 patients I, 5 patients II, 3 patients III; L: 67 patients I, 9 patients II, 7 patients III	R: 29 DG, 9 TG; L: 65 DG, 18 TG	121	38	83
Noshiro et al[41]	2014	NC	R vs L	R: 18 patients I, 3 patients II-IV, L: 113 patients I, 47 patients II-IV	DG both groups	181	21	160
Han et al[42]	2014	NC	R vs L	R: 59 patients I, 8 patients II, 1 patient III, L: 66 patients I, 2 patients II	PPG both groups	136	68	68
Junfeng et al[43]	2014	NC	R vs L	R: 29 patients I, 36 patients II, 55 patients III, L: 115 patients I, 98 patients II, 181 patients III	R: 92 DG, 26 TG, 2 PG; L: 261 DG, 118 TG, 15 PG	510	120	394
Kim et al[44]	2014	NC	R vs L	R: 145 patients I, 27 patients II and III; L: 422 patients I, 59 patients II and III	N/A	653	172	481
Kim et al[45]	2010	NC	R vs L vs O	Lower than cT2N1M0	STG all groups	39	16	11	12
Huang et al[46]	2012	NC	R vs L vs O	R: 29 patients I, 7 patients II, 3 patients III; L: 55 patients I, 9 patients II, O: 198 patients I, 106 patients II, 282 patients III	R: 32 STG, 7 TG; L: 57 STG, 7 TG; O: 407 STG, 179 TG	689	39	64	586
Kim et al[47]	2012	NC	R vs L vs O	R: 3 patients 0, 350 patients I, 51 patients II, 32 patients III; L: 8 patients 0, 714 patients I, 96 patients II, 43 patients III, O: 28 patients 0, 2376 patients I, 823 patients II, 1313 patients III	R: 327 DG, 109 TG, L: 703 DG, 158 TG; O: 3309 DG, 1232 TG	5839	436	861	4542
Pernazza et al[48]	2006	NC	R vs O	R: 2 patients 0, 20 patients I, 12 patients II, 5 patients III, 6 patients IV	R: 21 DG, 24 TG	90	45	0	45
Caruso et al[49]	2011	NC	R vs O	R: 13 patients I, 9 patients II, 4 patients III, 3 patients IV, O: 57 patients I, 18 patients II, 33 patients III, 12 patients IV	R: 16 DG, 12 TG, 1 PG; O: 83 DG, 37 TG	149	29	0	120
Procopiuc et al[50]	2015	NC	R vs O	R: 9 patients II, 9 patients III, O: 15 patients II, 14 patients III	R: 7 DG, 10 TG, 1 PG; O: 6 DG, 23 TG	47	18		29

¹Data as reported by the authors from preoperative evaluation;

²Postoperatively obtained staging. CS: Clinical series; NC: Nonrandomized comparative study; R: Robotic surgery; L: Laparoscopic surgery; O: Open surgery; TG: Total gastrectomy; STG: Subtotal gastrectomy; DG: Distal gastrectomy; PG: Proximal gastrectomy; CT: Completion total gastrectomy; PPG: Pylorus-preserving gastrectomy; GC: Gastric cancer.