Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , which somewhat limits the evaluation . Within the limitations , there is no consolidation or edema . There is no pleural effusion or pneumothorax . The mediastinal contours are normal . The heart size is at the upper limits of normal , and stable from the prior exam .
    OUTPUT:
    
No acute cardiopulmonary process .