Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are slightly low lung volumes . The cardiac and mediastinal silhouette is stable , as are the hilar contours . There is mild left base atelectasis / scarring , stable . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . No displaced fracture is seen .
    OUTPUT:
    
No acute cardiopulmonary process . No significant interval change .