Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is complete opacification of the right hemithorax with left - sided mediastinal shift . The left lung is grossly clear . Cardiac silhouette can not be assessed due to silhouetting on the right . No acute osseous abnormalities .
    OUTPUT:
    
Complete whiteout of the right hemithorax with leftward mediastinal shift indicating some component of pleural effusion . Consider CT scan to further evaluate .