Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . There is mild unfolding and calcification along the arch and descending thoracic aorta . Patchy medial basilar opacities suggest minor atelectasis in association with low lung volumes . Otherwise , the lungs appear clear . There is no definite pleural effusion or pneumothorax . Moderate rightward focal convex curvature is centered along the upper lumbar spine , but not well visualized with suspected associated degenerative change .
    OUTPUT:
    
No definite acute disease aside from patchy basilar opacities suggestive of minor atelectasis .