Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Lungs are well expanded and clear . There are no focal consolidations , pleural effusions , pulmonary edema or pneumothorax . There is evidence of a drain in the upper abdomen .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .