T1:A tumor less than or equal to 3 cm in greatest dimension,surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (i.e.,not in the main bronchus). TUMOR
T1: A tumor less than or equal to 3 cm in greatest dimension, surrounded by lung or visceral pleura, without bronchoscopic evidence of invasion more proximal than the lobar bronchus (i.e., not in the main bronchus). TUMOR
