Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is normal . The aorta is slightly tortuous . There are no focal consolidations concerning for pneumonia . Slight blunting of the posterior costophrenic angles is appreciated on the lateral view , possibly due to a small effusions versus scarring . There is no pneumothorax , nor overt pulmonary edema .
    OUTPUT:
    
No evidence of pneumonia .