Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited due to positioning . Low lung volumes . No focal opacities . Apparent round nodule in the area of the right hilum is felt to represent a vessel on end and not a pulmonary nodule or hilar adenopathy . Cardiomediastinal and hilar contours unremarkable . There is no pleural effusion pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .