Pathologic Upstaging in Early-stage Non-small Cell Lung Cancer: Predictors and Clinical Impact of Sublobar Resection - Anna de Ribot; Anna Muñoz; Marina Paradela; Iván Macía; Francisco Rivas; Camilo Moreno; Ines Serratosa; Marta García; Tania Martos; Judith Marcé; Amaia Ojanguren; Carlos Déniz (Open Respiratory Archives)