Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post TAVR . Surgical clips are again seen in place in the left upper lobe . An aortic stent is again seen . There is interval development of a small left - sided pleural effusion . Stable left upper lobe lesion in the setting of post treatment changes is again noted . The lungs are clear without focal consolidation . No pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
1 . Interval development of a small left - sided pleural effusion . 2 . Stable , post - treatment left lung lesion .