Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is top - normal . Multifocal atelectasis are present in the lower lobes right greater than left and right perihilar regions . There is no evidence of pneumonia . There is no pneumothorax or pleural effusion . There are mild to moderate degenerative changes in the thoracic spine .
    OUTPUT:
    
Multifocal areas of atelectasis .