6 - Paraaortic nodes

Station 6 (Paraaortic Lymph nodes) are nodes that are anterior and lateral to the ascending aorta and aortic arch.

Boundaries:

• The upper border of station 6 is a line tangential to the upper border of the aortic arch.
• The lower border of station 6 is the lower border of the aortic arch.
• The anterior border is an imaginary horizontal line extending from the anterior wall of the aortic arch

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