Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lung volumes are low which limits the evaluation primarily in the lung bases . There is subtle opacity in the lung bases which is most compatible with atelectasis . Cardiomediastinal silhouette appears grossly unremarkable , though the aorta is unfolded . No pleural effusion or pneumothorax . Bony structures are intact .
    OUTPUT:
    
Basilar plate - like atelectasis without definite signs of pneumonia or CHF .