Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . There is no focal airspace consolidation , pulmonary edema , pleural effusions or pneumothorax . The mediastinal contours are normal . The heart size is moderately enlarged , and unchanged .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable moderate cardiomegaly .