16b1 - Middle paraaortic nodes
16b1 - Nodi paraaortici medii
Definition
The middle paraaortic nodes (16b1) are located around the anterior surface of the aorta and vena cava, from the lower border of the left renal vein to the upper border of the origin of the inferior mesenteric artery; right and left border are defined by the right border of the inferior vena cava and by the left gonadic vessels.
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.
