Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal opacity to suggest pneumonia is seen . No pneumothorax or pulmonary edema is present . There is no significant pleural effusion . The heart size is mildly enlarged as compared to more remote examinations , though not substantially changed from the prior exam of ___ .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .