Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change . Again , there are low lung volumes . No focal consolidation , pleural effusion , evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . There is no overt pulmonary edema .
    OUTPUT:
    
No significant interval change . Low lung volumes without acute cardiopulmonary process .