Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is rotated . Heterogeneous pulmonary parenchymal opacities are seen throughout the right lung . Cardiac silhouette is not enlarged . Aortic stent graft material is present . No pneumothorax .
    OUTPUT:
    
Study is limited due to patient positioning . Heterogeneous pulmonary parenchymal opacities are seen throughout the right lung . This may represent an infectious process , however asymmetrical edema could also be considered . Recommend repeat upright radiograph with proper patient positioning for further evaluation .