Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . There is moderate unfolding of the thoracic aorta , but otherwise the mediastinal and hilar contours appear within normal range . There is mild - to - moderate relative elevation of the right hemidiaphragm . No pleural effusion or pneumothorax is seen . There are patchy predominantly streaky opacities at both lung bases that are suggestive of minor atelectasis . Otherwise , the lungs appear clear . Moderate anterior osteophyte formation is noted throughout the thoracic spine . Cholecystectomy clips project over the right upper quadrant .
    OUTPUT:
    
1 . Streaky bibasilar opacities , most suggestive of atelectasis , although not entirely specific . 2 . Mild - to - moderate relative elevation of the right hemidiaphragm . 3 . Mild cardiomegaly and unfolding of the thoracic aorta .