Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Pericardial calcifications were previously seen on CT torso ___ are stable . The lungs are clear . There are no nodules or masses identified . The cardiac , mediastinal , and hilar contours are normal . Pleural surfaces are normal . No pleural effusions or pneumothorax .
    OUTPUT:
    
1 . No nodules or masses seen . 2 . Pericardial calcifications , unchanged .