Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . A small indentation is noted along the right side of the trachea , which could reflect a prominent right thyroid lobe .
    OUTPUT:
    
No acute cardiopulmonary process .