Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The lateral view is underpenetrated , are presumed due to patient body habitus . Given this , no definite focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes without definite acute cardiopulmonary process .