Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pleural effusion , pneumothorax or focal airspace consolidation . Prominence of the pulmonary arteries is consistent with pulmonary arterial hypertension and is unchanged . There is evidence of emphysema within the upper lobes . Heart size is unchanged and top normal in size . There is an exaggerated senile kyphosis of the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .