Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were provided . The heart is stable and mildly enlarged . There is mild bibasilar atelectasis . No large effusion or pneumothorax is seen . No overt CHF . Mediastinal contour is stable . Bony structures are intact . No free air below the right hemidiaphragm . Please note , the AP view is an upright projection .
    OUTPUT:
    
Mild bibasilar atelectasis . Mild cardiomegaly .