Survival with Parenchymal and Pleural Invasion of Non-small-cell Lung Cancers less than 30 mm.

Nodule consistency on CT was a more significant prognostic indicator than either PAI or VPI. We propose that for patients with NSCLC with VPI whose maximum tumor diameter of 30mm or less, not be upstaged to T2 without further large, multi-center studies of NSCLCs, stratified by the new T status, and that classification be considered separately for patients with subsolid or solid nodules.