Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hypoinflated , accounting for bronchovascular crowding . No focal opacities are identified . An apparent spine sign on the lateral view is likely related to left hemidiaphragm eventration . There is no pleural effusion or pneumothorax . Cardiomediastinal and hilar contours are unremarkable . No radiopaque foreign object is seen in the airways to suggest aspiration . Deformity of the left clavicle is related to old fracture .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . No aspirated foreign body seen .