Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and left - sided pacemaker placement with leads terminating in right atrium , right ventricle , and coronary sinus . Moderate cardiomegaly is unchanged . Diffuse atherosclerotic calcifications of the aorta are again demonstrated . Mild pulmonary edema is similar compared to the previous exams . Small bilateral pleural effusions are present , with mild bibasilar atelectasis . No pneumothorax is identified . Degenerative changes in the thoracic spine are re - demonstrated .
    OUTPUT:
    
Mild congestive heart failure with mild pulmonary edema , small bilateral pleural effusions , and bibasilar atelectasis .