Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Within the limitations , there is no focal consolidation , pulmonary edema , pleural effusion , or pneumothorax . The mediastinal contours are normal . The heart size is at the upper limits of normal , likely exaggerated by the low lung volumes . There is no evidence of a fracture .
    OUTPUT:
    
No acute cardiopulmonary process .