Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided AICD / pacemaker leads are noted within the right atrium , right ventricle , and region of the coronary sinus . Moderate to severe cardiomegaly is re - demonstrated , unchanged , with tortuosity of the thoracic aorta also noted . There is mild pulmonary vascular congestion which appears chronic . A hazy opacity within the right lung base is not clearly identified on the lateral view , and may be partly due to overlying soft tissue , but an area of atelectasis or infection is not excluded . No pleural effusion or pneumothorax is seen . There are multiple old right - sided rib fractures .
    OUTPUT:
    
Hazy right basilar opacity seen only on the frontal view may reflect overlying soft tissue as there is no correlate on the lateral view , though atelectasis or infection is not completely excluded . Mild chronic pulmonary vascular congestion .