Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Basilar atelectasis is re-demonstrated . There is no pneumonia , pulmonary edema or pneumothorax . No large pleural effusions . Cardiomediastinal silhouette is within normal limits . There is an incidentally noted bridge between the left ___ and 7th ribs . No acute osseous abnormalities .
    OUTPUT:
    
No significant interval change since the prior radiograph .