Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires are noted . Low lung volumes limit evaluation . The heart is top - normal in size . Hilar congestion with mild pulmonary edema noted . Small bilateral pleural effusions are present . No pneumothorax . No convincing evidence for pneumonia . Bony structures are intact .
    OUTPUT:
    
Hilar congestion with mild edema . Top - normal heart size .