Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is moderate cardiomegaly , stable compared to exams dated back to at least ___ . The hilar and mediastinal contours are unchanged , with enlargement of the main pulmonary artery suggestive of pulmonary arterial hypertension . Again seen is bullous emphysema and hyperinflation of the lungs . No new focal consolidations concerning for pneumonia are identified . There is no large pleural effusion . There is no pneumothorax . Again seen is mild bibasilar atelectasis . Loss of the right heart border is due to patient 's pectus .
    OUTPUT:
    
No focal consolidations concerning for pneumonia identified . Bullous emphysema . Pulmonary arterial hypertension .