Superior pancreatic lymphadenectomy with portal vein priority via posterior common hepatic artery approach in laparoscopic radical gastrectomy

Table 1 Baseline characteristics and surgical factors

Basic data	n = 51
Sex (%)
Male	34 (66.7)
Female	17 (33.3)
Age (%)
< 65 yr	28 (54.9)
≥ 65 yr	23 (45.1)
BMI (%)
< 24	34 (66.7)
24-27	11 (21.6)
> 27	4 (7.8)
TNM staging (%)
I	4 (7.8)
II	13 (25.5)
III	33 (64.7)
IV	1 (2.0)
Duration of LND in the upper pancreas (min)	67.7 ± 6.9
Intraoperative blood loss (mL)	78.8 ± 17.8
Postoperative exhaust time (d)	3.1 ± 0.9
Postoperative complications (%)	4 (7.8)

BMI: Body mass index; T: Primary tumor; N: Regional lymph nodes; M: Distant metastasis; LND: Lymphadenectomy.

Table 2 Nodal status after superior pancreatic lymphadenectomy with portal vein priority via posterior common hepatic artery approach

Nodal station	No. of patients with LNM	Rate of patients with LNM (%)	TNLE	No. of positive LNs	Rate of LNM (%)
5	12	23.5	55	12	21.8
7	8	15.7	164	19	11.6
8a	9	17.7	122	16	13.1
8p	5	9.8	14	2	14.3
9	7	13.7	127	10	7.9
11p	4	7.8	54	3	5.6
12a	4	7.8	44	3	6.8
12p	2	3.9	24	1	4.2

LNM: Lymph node metastasis; TNLE: Total number of lymph node examined; LN: Lymph node.