Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Underlying trauma board limits the assessment . Multiple right rib fractures are again noted . Lung volumes are low which limits the assessment . No supine evidence for pneumothorax . Please note , a small right pneumothorax was seen on the same day chest CT . No large effusion is seen . Scattered opacities in the lungs likely represent atelectasis . Heart size is difficult to assess .
    OUTPUT:
    
Multiple right rib fractures as on re - same - day CT chest . Scattered atelectasis . No large pneumothorax . Please refer to same day chest CT for further details .