Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier in the day , there is mild improved aeration of the left upper lobe since bronchoscopy . Widespread opacities throughout the right lung have increased most notably in the right upper lobe . Endotracheal tube is 2 cm from the carina . Remaining support devices are in good position . No pneumothorax .
    OUTPUT:
    
Improved aeration of the left upper lobe post bronchoscopy . Worsening airspace opacities in the right lung .