Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiographs , no significant interval change . Specifically , there is no new focal consolidation or pneumothorax . As before , minimal blunting of the bilateral lateral CP angles may represent trace pleural effusions . An oblong radiopaque device overlies the region of the left heart , as seen in ___ , cardiac rhythm recorder . Mild aortic calcifications are unchanged and the cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Possible trace bilateral pleural effusions , without new focal consolidation concerning for pneumonia . 2 . Unchanged oblong radiopaque device overlying the left heart , cardiac rhythm recorder , as seen in ___ .