Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the study of ___ , little change . Again there is enlargement of the cardiac silhouette without vascular congestion or pleural effusion or acute focal pneumonia . Posterior right lower lobe coiling is again seen . Again noted is the deformity involving the left eighth rib .
    OUTPUT:
    
Little change and no acute abnormality .