Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Heart is top normal in size . The aorta is tortuous . Main and branch pulmonary arteries are also prominent , compatible with pulmonary arterial hypertension . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Pulmonary hypertension .