Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Midline sternotomy wires again noted . Suture material is seen projecting over the right upper lung as on prior . A right pleural effusion is again noted with basal opacity better assessed on subsequent CT . The left lung appears clear aside from mild basal opacity better assessed on subsequent CTA chest . The cardiomediastinal silhouette is within normal limits cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Findings as above . Please refer to subsequent CTA chest for further details .