Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly underinflated , but clear . There is no large consolidation , pleural effusion , pulmonary edema or pneumothorax . Accentuation of the cardiomediastinal structures is likely a function of portable technique .
    OUTPUT:
    
Mildly underinflated lungs , but no acute cardiopulmonary process .