Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly and a tortuous aorta are unchanged . Previous pulmonary vascular congestion and mild pulmonary edema have improved . No new focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No focal consolidation or pleural effusion . Pulmonary edema has improved .