Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is stably enlarged . Mild central pulmonary vascular congestion and early interstitial pulmonary edema are present . No focal consolidation , or pneumothorax . Small right pleural effusion . Sternal wires and a prosthetic cardiac valve are unchanged in position .
    OUTPUT:
    
Mild pulmonary vascular congestion and early interstitial pulmonary edema , with a stably enlarged heart . Small right pleural effusion .