Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . An SVC stent is re - demonstrated in unchanged position compared to the previous CT . The heart size is mildly enlarged . Paramediastinal radiation fibrosis is again noted . The mediastinal and hilar contours are relatively unchanged , with the known anterior mediastinal mass better appreciated on the previous chest CT . Pulmonary vasculature is not engorged . The lungs are hyperinflated . Small right pleural effusion with thickening along the right minor fissure is unchanged . Patchy atelectasis is seen in the lung bases . No new focal consolidation or pneumothorax is present . Known metastatic involvement of the manubrium is also better assessed on the recent CT .
    OUTPUT:
    
No substantial interval change from the previous chest CT . Continued small right pleural effusion with bibasilar atelectasis . Paramediastinal radiation fibrosis re - demonstrated .