Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Right apical pneumothorax is again seen . Given difficulty identifying pleural line on a similar projection on prior films , delineation for subtle interval change is difficult . Given differences in technique and positioning from prior CT , there is no definite change . The right pneumothorax certainly does not appear smaller and may be stable . Opacities in posterior costophrenic sulcus on the lateral may be due to atelectasis given the low lung volumes . The lungs are otherwise clear . Cardiomediastinal silhouette is unchanged . Multiple right - sided rib fractures are as previously detailed .
    OUTPUT:
    
No definite interval change in right - sided pneumothorax with details as above .