Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . A moderate size hiatal hernia is noted . Remainder of the mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Lungs are hyperinflated . Apart from mild atelectasis in the lung bases , remainder of the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild bibasilar atelectasis . Moderate size hiatal hernia .