Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Unchanged elevation of the right hemidiaphragm . Mild left basilar atelectasis adjacent to a large hiatal hernia . Small left pleural effusion is possible . No pneumothorax . Heart size top - normal . Cardiomediastinal and hilar silhouettes are unremarkable .
    OUTPUT:
    
Mild left basilar atelectasis adjacent to a large hernia . No evidence of significant cardiopulmonary abnormality .