Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously noted right lower lobe opacification is improved . There are no new focal opacities concerning for pneumonia . There are no pleural effusions or pneumothorax . Mild to moderate cardiomegaly , tortuous thoracic aorta and vascular congestion are chronic .
    OUTPUT:
    
No evidence of focal pneumonia .