Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior examination , there has been minimal interval change . Redemonstrated is elevation of the right hemidiaphragm . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema identified . The heart size is normal . The aorta is noted to be mildly tortuous . Mediastinal contours are otherwise normal .
    OUTPUT:
    
No radiographic evidence for pneumonia .