Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Pacemaker leads , endotracheal tube , nasogastric tube and right PICC line are unchanged in position . Bilateral pulmonary opacities have improved since the prior study . Consolidation in the left lower lung has also improved . There is no pleural effusions or pneumothorax .
    OUTPUT:
    
Improving bilateral pulmonary opacities .