Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe chronic cardiomegaly is re - demonstrated . Mediastinal and hilar contours are unchanged , and no pulmonary edema is seen . No pleural effusion or pneumothorax is present . Scarring is re - demonstrated within the lung apices . Lungs are otherwise clear without focal consolidation . No acute osseous abnormality is present .
    OUTPUT:
    
Moderate to severe cardiomegaly without pulmonary edema .