Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD device is noted with leads terminating in the right ventricle and region of the coronary sinus , unchanged . The patient is status post median sternotomy and CABG . Heart size remains moderately enlarged . Atherosclerotic calcifications of the aortic arch are unchanged . Previous pattern of pulmonary edema has largely resolved with only minimal pulmonary vascular congestion demonstrated . Small right pleural effusion appears unchanged from the previous chest radiograph , and trace left pleural effusion is also noted . There is mild atelectasis in the right lung base . No new focal consolidation is present . There is no pneumothorax . No acute osseous abnormality is detected .
    OUTPUT:
    
Mild pulmonary vascular congestion , improved compared to the previous examination with small right pleural effusion , unchanged , and trace left pleural effusion .