Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . The full right costophrenic angle is not included on the frontal image . Given the above , no focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes . Otherwise , no acute cardiopulmonary process .