Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The heart is mildly enlarged . The lungs are clear without focal consolidation , large effusion or pneumothorax . No signs of edema or congestion . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly . No signs of pneumonia or edema .