Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is marked cardiomegaly with mild pulmonary interstitial edema . No large effusion or pneumothorax . No signs of pneumonia . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Marked cardiomegaly with mild interstitial pulmonary edema .