Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slight tortuosity and calcification along the thoracic aorta . The heart is probably at the upper limits of normal size . There is vague patchy hilar opacification on each side , which may suggest slight congestion . Patchy retrocardiac opacity , probably in the left lower lobe , is most suggestive of minor atelectasis .
    OUTPUT:
    
Suspicion for slight congestion , otherwise unremarkable .