Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low with bibasilar opacities most compatible with atelectasis though difficult to exclude a subtle pneumonia . The heart is mildly enlarged . The aorta is unfolded . No pneumothorax . No large effusion . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Bibasilar opacities most compatible with atelectasis though difficult to exclude a subtle pneumonia . Stable mild cardiomegaly .