Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The mediastinal and hilar contours are unchanged , with mild calcification noted at the aortic arch . The pulmonary vascularity is mildly prominent suggesting congestion , but is slightly improved compared to the prior exam . Blunting of the costophrenic angle on the frontal view likely reflects chronic pleural thickening . There is streaky opacity in the retrocardiac region likely reflective of atelectasis . No focal consolidation is identified , and there is no pneumothorax . Biapical pleural thickening is and unchanged . Deformity of the left chest wall is re - demonstrated . Multiple clips are noted within the posterior mediastinum .
    OUTPUT:
    
Minimal left basilar atelectasis . Mild pulmonary vascular congestion , improved compared to the prior exam .