Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Previously seen diffuse parenchymal opacities are improved but not completely resolved on the current exam , consistent with improved infectious process . There is no new focal consolidation or pulmonary edema .
    OUTPUT:
    
Improved bilateral opacities without new findings concerning for a worsening process .