Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . A small sliver of fluid is seen in the minor fissure . The lungs are otherwise clear . Cardiomediastinal silhouette is unremarkable . There is no pneumothorax or pleural effusion . Visualized osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .