Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from one day prior . Nasogastric tube passes off the inferior field of view . Left chest tube remains in place . There is no visualized pneumothorax . Persistent left basilar opacity is seen , potentially due to a combination of effusion or atelectasis . The right lung remains essentially clear noting mid lung atelectasis . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No significant interval change .