Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomegaly is moderate . Hilar congestion and mild pulmonary edema noted . No large effusion or pneumothorax . No convincing evidence for pneumonia . Mediastinal contour is within normal limits though note is made of mild aortic calcification . Bony structures are intact .
    OUTPUT:
    
Moderate cardiomegaly , mild pulmonary edema .