Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hypoinflated , accounting from bronchovascular crowding . Otherwise , there is no focal opacity bilaterally . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Incidental note is again made of an azygos fissure .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .