The 7th edition and 8th edition M categories

Reproduced from: Eberhardt WE, Mitchell A, Crowley J, et al. The IASLC Lung Cancer Staging Project: Proposals for the Revision of the M Descriptors in the Forthcoming Eighth Edition of the TNM Classification of Lung Cancer. J Thorac Oncol 2015; 10:1515. Illustration used with the permission of Elsevier Inc. All rights reserved.