Postoperative adjuvant chemoradiotherapy in D2-dissected gastric cancer: Is radiotherapy necessary after D2-dissection?

Table 3 Description of lymph node station

LN station	Node location
1	LN at right paracardium
2	LN at left paracardium
3	LN along the lesser curvature
4	LN along the greater curvature
5	LN at suprapylorum
6	LN at infrapylorum
7	LN along the left gastric artery
8	LN along the common hepatic artery
9	LN around the celiac artery
10	LN at the splenic hilum
11	LN along the proximal splenic artery
12	LN in the hepatoduodenal ligament
12a	LN along the hepatic artery
12b	LN along the bile duct
12p	LN behind the portal vein
13	LN on the posterior surface of the pancreatic head
14	LN along the superior mesenteric vessels
15	LN along the middle colic vessels
16	LN around the abdominal aorta
16a	LN from the upper margin of the celiac trunk to the lower margin of the left renal vein
16b	LN from the upper margin of the left renal vein to the aortic bifurcation

LN: Lymph node.