Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Cardiomegaly is mild . Mediastinal contour is normal . Lungs are clear without focal consolidation , large effusion or pneumothorax . Hilar configuration is unchanged . Bony structures appear intact .
    OUTPUT:
    
Cardiomegaly without signs of pneumonia or overt edema .