Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There is complete opacification of the left hemithorax likely representing large effusion and underlying atelectasis / consolidation . The right lung is clear . Cardiomediastinal silhouette can not be evaluated due to a large left effusion . Osseous structures are unremarkable .
    OUTPUT:
    
Complete opacification of the left hemithorax without remote prior to assess for interval change . CT scan suggested for further characterization .