Quels changements ont été proposés pour le T et leurs motivations [3Rami-Porta R, Ball D, Crowley J, Giroux DJ, Jett J, Travis WD, Tsuboi M, Vallières E, Goldstraw P : International Staging Committee ; Cancer Research The IASLC Lung Cancer Staging Project: proposals for the revision of the T descriptors in the forthcoming (seventh) edition of the TNM classification for lung cancer. J Thorac Oncol 2007 ; 2 : 593-602.