A4.
Classification of lymph nodal stations in gastric cancer
| No. | Lymph node group |
| No. 1 | Right paracardial lymph nodes |
| No. 2 | Left paracardial lymph nodes |
| No. 3 | Lymph nodes along the lesser curvature |
| No. 4sa | Lymph nodes along the short gastric vessels |
| No. 4sb | Lymph nodes along the left gastroepiploic vessels |
| No. 4d | Lymph nodes along the right gastroepiploic vessels |
| No. 5 | Suprapyloric lymph nodes |
| No. 6 | Infrapyloric lymph nodes |
| No. 7 | Lymph nodes along the left gastric artery |
| No. 8a | Lymph nodes along the common hepatic artery (Anterosuperior group) |
| No. 8p | Lymph nodes along the common hepatic artery (Posterior group) |
| No. 9 | Lymph nodes around the celiac artery |
| No. 10 | Lymph nodes at the splenic hilum |
| No. 11p | Lymph nodes along the proximal splenic artery |
| No. 11d | Lymph nodes along the distal splenic artery |
| No. 12a | Lymph nodes in the hepatoduodenal ligament (along the hepatic artery) |
| No. 12b | Lymph nodes in the hepatoduodenal ligament (along the bile duct) |
| No. 12p | Lymph nodes in the hepatoduodenal ligament (behind the portal vein) |
| No. 13 | Lymph nodes on the posterior surface of the pancreatic head |
| No. 14v | Lymph nodes along the superior mesenteric vein |
| No. 14a | Lymph nodes along the superior mesenteric artery |
| No. 15 | Lymph nodes along the middle colic vessels |
| No. 16a1 | Lymph nodes in the aortic hiatus |
| No. 16a2 | Lymph nodes around the abdominal aorta (from the upper margin of the celiac trunk to the lower margin of the left renal vein) |
| No. 16b1 | Lymph nodes around the abdominal aorta (from the lower margin of the left renal vein to the upper margin of the inferior mesenteric artery) |
| No. 16b2 | Lymph nodes around the abdominal aorta (from the upper margin of the inferior mesenteric artery to the aortic bifurcation) |
| No. 17 | Lymph nodes on the anterior surface of the pancreatic head |
| No. 18 | Lymph nodes along the inferior margin of the pancreas |
| No. 19 | Infradiaphragmatic lymph nodes |
| No. 20 | Lymph nodes in the esophageal hiatus of the diaphragm |
| No. 110 | Paraesophageal lymph nodes in the lower thorax |
| No. 111 | Supradiaphragmatic lymph nodes |
| No. 112 | Posterior mediastinal lymph nodes |