Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lobe fiducial markers in multiple areas of right - sided chain suture are unchanged . There is no evidence of pneumothorax status post biopsy . Right - sided effusion and / or chronic pleural thickening is unchanged . The left lung is clear . There are no new cardiac or mediastinal contour abnormalities .
    OUTPUT:
    
No evidence of pneumothorax status post right - sided lung biopsy .