Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral lower lobe predominant mild interstitial opacities continue to improve . There is minimal increase in bronchial wall thickening . No new focal opacity is detected . The heart is not enlarged . Mediastinal contours are normal . There is no pleural effusion or pneumothorax . There is no pulmonary edema . Mild rightward curvature of the thoracolumbar spine is unchanged .
    OUTPUT:
    
Continued improvement in bilateral interstitial abnormalities . No evidence of pneumonia .