Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are fully expanded and clear . Interval improvement of left basilar atelectasis and resolution of previous right lower lung opacity . There is prominence of the right hilum consistent with a prominent right main pulmonary artery as seen on prior CT an representing pulmonary hypertension . Cardiomediastinal and hilar silhouettes are normal . Pleural surfaces are normal .
    OUTPUT:
    
No acute cardiopulmonary process .