Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker / AICD device is noted with leads terminating in the right ventricle and region of the coronary sinus . The patient is status post median sternotomy and CABG . Moderate cardiomegaly is re - demonstrated . The mediastinal and hilar contours are similar with atherosclerotic calcifications noted diffusely within the aorta . Mild pulmonary vascular congestion is present along with a new small right pleural effusion . Patchy right basilar opacity may reflect atelectasis . No left - sided focal consolidation is present . No pneumothorax is visualized . No acute osseous abnormalities are detected .
    OUTPUT:
    
Mild pulmonary vascular congestion and small right pleural effusion . Patchy right basilar opacity may reflect atelectasis however infection can not be completely excluded .