Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Again seen is asymmetrical opacification of the right lung base , which appears slightly worse than the ___ radiograph . However , it is difficult to assess if this has changed since the last CT chest . There is a small right apical pneumothorax . The heart and mediastinum are within normal limits . The right distal clavicular fracture is unchanged in appearance .
    OUTPUT:
    
1 . Small right apical pneumothorax . 2 . Right lung base opacity that appears slightly worse compared to the ___ CXR . This is likely pulmonary hemorrhage versus known hemothorax .