The IASLC Lung Cancer Staging Project: Proposals for the Revisions of the T Descriptors in the Forthcoming Ninth Edition of the TNM Classification for Lung Cancer

An international database was created by the International Association for the Study of Lung Cancer (IASLC) to inform the 9thedition of the Tumor – Node – Metastasis (TNM) classification of lung cancer. The present analyses concern its T component.