Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Low lung volumes seen on the current exam . Linear right basilar opacity laterally obscuring the costophrenic angle may be due to atelectasis . Superiorly , the lungs are clear . The cardiac silhouette is enlarged but likely accentuated due to low lung volumes and not definitely changed from prior .
    OUTPUT:
    
Blunting of the right costophrenic angle may be due to atelectasis given low lung volumes . Dedicated two - view chest x-ray may offer additional detail