Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: All lines and tubes are appropriate and unchanged in positioning . The bilateral airspace opacities have worsening , especially within right upper lobe , and left lower lobe . The pulmonary vasculature is normal . The cardiomediastinal silhouette is stable . There is no pleural effusion . There is no pneumothorax .
    OUTPUT:
    
1 . Appropriate positioning of all lines and tubes . 2 . Worsening bilateral airspace opacities within the right upper lobe , and left lower lobe .