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 and the hila appear slightly engorged . There may be mild interstitial pulmonary edema . No large effusion or pneumothorax . No signs of pneumonia . Mediastinal contour is unchanged . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly , hilar congestion and possible mild interstitial pulmonary edema .