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IASLC proposals for changes to Lung cancer staging.

Monday, November 30, 2015

Submitted by

Joel Dunning

Source

Source Name: Journal of Thoracic Oncology

Source URL: https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwiDv…

Author(s)

Rami-Porta R, Bolejack V, Crowley J, Ball D, Kim J, Lyons G, Rice T, Suzuki K, Thomas CF Jr, Travis WD, Wu YL; IASLC Staging and Prognostic Factors Committee, Advisory Boards and Participating Institutions.

This is an interesting document adding the proposals for the next edition of lung cancer staging. the changes are going to be quite significant :

Recommended changes are as follows: to subclassify T1 into T1a (≤1 cm), T1b (>1 to ≤2 cm), and T1c (>2 to ≤3 cm); to subclassify T2 into T2a (>3 to ≤4 cm) and T2b (>4 to ≤5 cm); to reclassify tumors greater than 5 to less than or equal to 7 cm as T3; to reclassify tumors greater than 7 cm as T4; to group involvement of main bronchus as T2 regardless of distance from carina; to group partial and total atelectasis/pneumonitis as T2; to reclassify diaphragm invasion as T4; and to delete mediastinal pleura invasion as a T descriptor.