Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest wall single - lead AICD is noted , with the lead tip extending to the expected location of the right ventricle . There is no pneumothorax . Small effusions are not well evaluated on this portable radiograph . Small amount of scarring / atelectasis is seen in the right mid lung . Hilar and cardiomediastinal contours are unchanged . The aorta is tortuous . There is no pulmonary vascular congestion or edema .
    OUTPUT:
    
Little change from one day prior . No evidence of vascular congestion or pulmonary edema .