Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Given this , no focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac silhouette is top normal to mildly enlarged . Mediastinal and hilar contours are unremarkable . There is no overt pulmonary edema .
    OUTPUT:
    
Relatively low lung volumes . Otherwise , no acute cardiopulmonary process .