Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal cardiomediastinal silhouette . Note is made of mild left hemidiaphragmatic elevation . The lungs are well aerated . There is no pneumothorax , vascular congestion , or pleural effusion . Note is made of relative loss of height at T8 .
    OUTPUT:
    
No acute cardiopulmonary process .