Staging Lung Cancer

Publication date: Available online 7 March 2018
Source:Radiologic Clinics of North America
Author(s): Girish S. Shroff, Chitra Viswanathan, Brett W. Carter, Marcelo F. Benveniste, Mylene T. Truong, Bradley S. Sabloff

Teaser

The updated eighth edition of the tumor, node, metastasis (TNM) classification for lung cancer includes revisions to T and M descriptors. In terms of the M descriptor, the classification of intrathoracic metastatic disease as M1a is unchanged from TNM-7. Extrathoracic metastatic disease, which was classified as M1b in TNM-7, is now subdivided into M1b (single metastasis, single organ) and M1c (multiple metastases in one or multiple organs) descriptors. In this article, the rationale for changes in the M descriptors, the utility of preoperative staging with PET/computed tomography, and the treatment options available for patients with oligometastatic disease are discussed.


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