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  Indian J Med Microbiol
 

Figure 3: Right hilar malignant tumor. (a) Ventilation image showing a small ventilation defect in the right hilum (arrowhead); ventilation is otherwise preserved. (b) Perfusion image showing severely decreased perfusion to the entire right lung. (c) Chest radiograph showing a right hilar mass (arrowheads) and a round parenchymal nodule in the right midlung (arrow). (d) Axial contrast-enhanced computed tomography image showing a right hilar mass (arrowhead). LT indicates left; POST, posterior; RT, right

Figure 3: Right hilar malignant tumor. (a) Ventilation image showing a small ventilation defect in the right hilum (arrowhead); ventilation is otherwise preserved. (b) Perfusion image showing severely decreased perfusion to the entire right lung. (c) Chest radiograph showing a right hilar mass (arrowheads) and a round parenchymal nodule in the right midlung (arrow). (d) Axial contrast-enhanced computed tomography image showing a right hilar mass (arrowhead). LT indicates left; POST, posterior; RT, right