Performing robot-assisted pylorus and vagus nerve-preserving gastrectomy for early gastric cancer: A case series of initial experience

Table 1 The general clinical data of 11 patients

No.	Sex	Year	Body mass index (kg/m2)	Operative time (min)	Tumor size (cm)	pT	pN	Histology	Number of resected lymph nodes	Number of metastatic lymph nodes
11	M	70	24.20	300	7	3	2	Poorly	29	3
2	M	62	21.70	390	2	1b	0	Well	19	0
3	F	64	20.70	330	3	1a	0	Medium	32	0
4	M	56	27.10	315	3	1a	0	Signet ring cell	8	0
51	M	65	29.50	325	4	4a	3	Poorly	51	13
6	F	72	26.20	410	1.5	1a	0	Well	9	0
7	M	70	26.42	330	2.5	1a	0	Poorly	21	0
81	M	79	28.73	240	3	2	0	Poorly	12	0
9	M	52	28.02	270	3	1a	0	Medium	13	0
10	M	66	23.95	300	2	1a	0	Well	11	0
11	F	66	25.08	300	4	1b	2	Poorly	36	3

¹Cases do not meet the inclusion criteria, and these case data are excluded from statistics.