Figure 3. Thoracic computed tomography scans of one pig of each group (A) VCM 40% pig with 0.7% of atelectasis (percentage of total lung area), (B) VCM 100% pig with 4.2% of atelectasis, and (C) control pig with 27.2% of atelectasis. Ventilation-perfusion data for the same pigs with the inert gas technique are shown in Figure 1.