Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Compared to the prior study , there is no significant change . Mild cardiomegaly is stable . There are low lung volumes and bibasilar atelectasis . No consolidation , pneumothorax , or pleural effusion is present .
    OUTPUT:
    
Mild bibasilar atelectasis , no pleural effusion .