Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is similar to prior . Lung volumes are low , crowding bronchovascular markings . Streaky bibasilar opacities are most consistent with atelectasis . No substantial pleural effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly . Low lung volumes with bibasilar atelectasis .