Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with re - demonstration of mild unfolding of the thoracic aorta . Hilar contours are unremarkable . Bibasilar opacities has nearly completely resolved compared to the prior exam . There is trace residual opacities at the bases . Lung volumes are overall low . Lungs are otherwise clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Near complete resolution of previously seen bibasilar pneumonia with only trace opacity seen , likely chronic sequela .