Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . There is an appearance of an elevated right hemidiaphragm with with relatively lateral peaking of the expected diaphragm suggesting subpulmonic effusion . The left lung is grossly clear . There is no visualized pneumothorax . Cardiomediastinal silhouette is within normal limits . No displaced fractures identified on this portable film .
    OUTPUT:
    
Appearance of elevation of the right hemidiaphragm thought to be due to subpulmonic effusion .