Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Lower lung volumes are seen on current frontal exam . Mild bilateral effusions are again noted with probable adjacent atelectasis . There is no pneumothorax . Cardiomediastinal silhouette is within normal limits . Posterior right seventh rib fracture and right lateral ninth rib fracture are again seen . Osseous structures are otherwise unremarkable .
    OUTPUT:
    
Mild persistent bilateral pleural effusions and right rib fractures , without definite acute cardiopulmonary process .