the effects of changing inspired oxygen concentrations ( fio2 = 1 , 0.21 , 0.15 , 0.1 , 0.075 , 0.05 , and 0 ) were tested on test segments of different size corresponding to left lower lobe , left upper lobe-lingula , left lung , right lung , right lung plus left lower lobe , right lung plus left upper lobe-lingula , and whole lung .
C1261076
left upper
C0225730
left lung