Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increasing opacification of the right hemithorax , which could represent pneumonia or hemorrhage . There is bilateral low lung volume with persistent elevation of the left hemidiaphragm . Slightly greater rightward deviation of the trachea at the level of left upper lobe is observed . The cardiomediastinal silhouette is difficult to discern secondary to bilateral opacification .
    OUTPUT:
    
Worsening opacity of the right hemithorax , which can represent pneumonia or hemorrhage .