Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Elevation of the right hemidiaphragm status post right lower lobectomy again noted . Small right pleural effusion persists . Right hilar and right lung fiducial clips are again noted . The left - sided Port - A - Cath is similarly positioned . No acute change is detected . The left lung is clear . Heart size is normal . Aortic calcification is again noted .
    OUTPUT:
    
Persistent small right pleural effusion without evidence for acute change .