Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation to suggest pneumonia is seen . No pneumothorax is identified . The lungs are hyperinflated . There is likely trace left pleural effusion though improved from the prior exam . Additional opacities at the left base are felt to likely represent residual atelectasis . There is mild cardiomegaly and tortuosity of the aorta . A previously seen left - sided PICC has been removed . A dual - lead pacemaker is unchanged with leads in standard positions . Sternal cerclage wires are intact .
    OUTPUT:
    
No evidence of pneumonia .