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Editorials |

Lymph Nodes in Lung CancerLymph Nodes in Lung Cancer: Location?: Location, Location, and Location?

Valerie W. Rusch, MD, FCCP
Author and Funding Information

From Thoracic Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center.

CORRESPONDENCE TO: Valerie W. Rusch, MD, FCCP, Thoracic Service, Department of Surgery, Miner Family Chair in Intrathoracic Cancers, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, New York, NY 10065; e-mail: ruschv@mskcc.org


FINANCIAL/NONFINANCIAL DISCLOSURES: The author has reported to CHEST that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article.

Reproduction of this article is prohibited without written permission from the American College of Chest Physicians. See online for more details.


Chest. 2015;147(5):1203-1204. doi:10.1378/chest.14-2767
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In this issue of CHEST (see page 1299), Lee and colleagues1 examine the validity of a mapping system for lymph nodes proposed by the International Association for the Study of Lung Cancer (IASLC). They conclude that the definitions for the anatomic location of lymph nodes in the IASLC map accurately predict disease-free survival in patients undergoing resection of non-small cell lung cancer. In a secondary analysis, they suggest that lymph ratio (ie, the number of lymph nodes with metastatic disease over the total number of lymph nodes removed) is an independent prognostic factor for survival. How are these observations relevant to our daily clinical practice, and should we be recording the number of involved lymph nodes rather than anatomic location?

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