3a - Lesser curvature nodes
3a - Nodi curvaturae minori
Definition
The lesser curvature lymph nodes (Station number 3 in the gastric lymph node stations - Japanese Research Society for Gastric Cancer) are located along the descending branch of the left gastric artery and along the right gastric artery distal to the first gastric branch:
3a: Along the branches of the left gastric artery
3b: Along second branch and distal part of the right gastric artery
References
Japanese Research Society for Gastric Cancer. The general rules for the gastric cancer study in surgery. Jpn J Surg 1973;3:61-71.
Rosa F, Costamagna G, Doglietto GB, Alfieri S. Classification of nodal stations in gastric cancer. Transl Gastroenterol Hepatol. 2017 Jan 17;2:2. doi: 10.21037/tgh.2016.12.03. PMID: 28217752; PMCID: PMC5313280.
Pulkit Maru Imaging of Gastric Carcinoma. Part Two: Lymph node mapping in Gastric Carcinoma. J Gastrointestinal Abdominal Radiol ISGAR 2021;4:206–213.
