Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is mild cardiomegaly . There is bibasilar atelectasis . No pleural effusion or pneumothorax . No sternal abnormalities identified on the lateral film . There is kyphosis of the thoracic spine . The mediastinal and hilar contours are normal . Mild bibasilar atelectasis .
    OUTPUT:
    
Mild cardiomegaly and bibasilar atelectasis . No gross sternal fracture .