Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright chest radiograph obtained . Abandoned pacer leads are noted in the left chest wall extending into the heart . A right chest wall pacer is also seen with lead tips extending into the expected location of the right atrium and right ventricle . The heart is top normal in size . There is no focal consolidation , effusion , or definite signs of CHF . No pneumothorax is seen . Mediastinal contour is unremarkable . Bony structures appear grossly intact with chronic deformity of the left mid clavicular shaft . Degenerative changes at the right AC joint noted .
    OUTPUT:
    
No definite signs of acute intrathoracic process .