Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph was provided . Clips are noted at the level of the GE junction . Lungs appear hyperinflated with basilar opacities most compatible with scarring . The right CP angle is excluded . No definite signs of pneumonia or pulmonary edema . The cardiomediastinal silhouette is notable for an unfolded thoracic aorta . There is an atherosclerotic calcification along the thoracic aorta . Bony structures appear intact . Heart size can not be assessed .
    OUTPUT:
    
Basilar opacities most compatible with atelectasis or scarring . No definite signs of CHF .