3A - Prevascular nodes

Station 3A: Prevascular Nodes

Boundaries:

• The upper border of station 3A is the apex of the chest.
• The lower border of station 3A is the level of the carina.
• The anterior border of station 3A is the posterior aspect of the sternum.
• The posterior border of station 3A is the anterior border of the superior vena cava (SVC) on the right and the left carotid artery on the left.

Sources : 

• IASLC lymph node map - https://www.iaslc.
• International Association for the Study of Lung Cancer (IASLC) Lymph Node Map: Radiologic Review with CT Illustration Ahmed H. El-Sherief, Charles T. Lau, Carol C. Wu, Richard L. Drake, Gerald F. Abbott, and Thomas W. Rice RadioGraphics 2014 34:6, 1680-1691