Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is elevation of the right hemidiaphragm . The cardiomediastinal silhouettes are within normal limits . The bilateral hila are normal . There is a sub - optimal inspiratory effort , however , within this limitation the lungs are clear without focal consolidation . There is no pulmonary vascular congestion . There is no pneumothorax or effusion .
    OUTPUT:
    
1 . No focal consolidation . Low lung volumes . 2 . Elevated right hemidiaphragm .