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Radiol Clin North Am. 2018 May;56(3):411-418. doi: 10.1016/j.rcl.2018.01.009. Epub 2018 Mar 7.

Staging Lung Cancer: Metastasis.

Author information

1
Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA. Electronic address: gshroff@mdanderson.org.
2
Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.

Abstract

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.

KEYWORDS:

Metastasis; Oligometastatic disease; PET/CT; TNM-7; TNM-8

PMID:
29622076
DOI:
10.1016/j.rcl.2018.01.009
[Indexed for MEDLINE]

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