Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is slightly limited by body habitus . Moderate enlargement of the cardiac silhouette is re - demonstrated . Mediastinal and hilar contours are similar with enlargement of the hila bilaterally compatible with pulmonary arterial hypertension . There is crowding of the bronchovascular structures due to low lung volumes without pulmonary edema . Scarring within the right apex is unchanged . No focal consolidation , pleural effusion or pneumothorax is identified . There are moderate degenerative changes in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .