Lymph node stations for gastrectomy
lymph node stations gastrectomy stomach JGCA classification diagram
JGCA lymph node stations gastrectomy D1 D2 dissection classification 2023
https://pmc.ncbi.nlm.nih.gov/articles/PMC11036764
| Station | Location |
|---|---|
| 1 | Right paracardial |
| 2 | Left paracardial |
| 3a | Lesser curvature (left gastric artery branches) |
| 3b | Lesser curvature (right gastric artery branches) |
| 4sa | Short gastric vessels |
| 4sb | Left gastroepiploic vessels |
| 4d | Right gastroepiploic vessels |
| 5 | Suprapyloric (right gastric artery) |
| 6 | Infrapyloric (right gastroepiploic artery) |
| 7 | Left gastric artery |
| 8a | Common hepatic artery (anterosuperior) |
| 8p | Common hepatic artery (posterior) |
| 9 | Celiac axis |
| 10 | Splenic hilum |
| 11p | Proximal splenic artery |
| 11d | Distal splenic artery |
| 12a | Hepatoduodenal ligament (left, along hepatic artery) |
| 12b | Hepatoduodenal ligament (posterior, along bile duct) |
| 12p | Hepatoduodenal ligament (posterior, along portal vein) |
| 13 | Posterior surface of pancreatic head |
| 14v | Superior mesenteric vein |
| 15 | Middle colic vessels |
| 16a1 | Para-aortic (aortic hiatus) |
| 16a2 | Para-aortic (left renal vein level) |
| 16b1 | Para-aortic (left renal vein to inferior mesenteric artery) |
| 16b2 | Para-aortic (inferior mesenteric artery to aortic bifurcation) |
| 17 | Anterior pancreatic surface |
| 18 | Inferior pancreatic margin |
| 19 | Infradiaphragmatic |
| 20 | Esophageal hiatus |
| Level | Stations |
|---|---|
| D1 | 1, 2, 3, 4sa, 4sb, 4d, 5, 6, 7 |
| D1+ | D1 + 8a, 9, 11p |
| D2 | D1 + 8a, 9, 10, 11p, 11d, 12a |
For tumors invading the esophagus, add Nos. 19, 20, 110 to D2.
| Level | Stations |
|---|---|
| D1 | 1, 3, 4sb, 4d, 5, 6, 7 |
| D1+ | D1 + 8a, 9 |
| D2 | D1 + 8a, 9, 11p, 12a |
| Level | Stations |
|---|---|
| D1 | 1, 3, 4sb, 4d, 6, 7 |
| D1+ | D1 + 8a, 9 |
No D2 defined for PPG.
| Level | Stations |
|---|---|
| D1 | 1, 2, 3a, 4sa, 4sb, 7 |
| D1+ | D1 + 8a, 9, 11p |
| D2 | D1 + 8a, 9, 11p, 11d |
For tumors invading the esophagus, add Nos. 19, 20, 110 to D2.
| Indication | Level |
|---|---|
| cT1a (EGC, mucosal) | D1 sufficient |
| cT1N0 >1.5 cm or poorly differentiated | D1+ |
| cT1N+ or cT2-T4 (potentially curable) | D2 (standard) |
| cT2-T4, upper stomach, greater curvature | D2 + consider splenectomy (station 10) |
| Station | Location |
|---|---|
| 19 | Infradiaphragmatic |
| 20 | Esophageal hiatus |
| 110 | Lower thoracic paraesophageal |
| 111 | Diaphragmatic |
| 112 | Posterior mediastinal |