Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a left - sided pacemaker with the leads terminating in the right atrium and right ventricle . Since the prior examination , right mid and lower lung opacities have largely resolved . No new definite consolidation is identified . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute intrathoracic abnormality .