Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Given this , no focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is top - normal . The mediastinal and hilar contours are unremarkable . There is gaseous distention of the partially imaged colon in the left upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary process .