Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Volume loss in the left lung reflects prior left lower lobectomy . AICD projects over the left chest wall with two leads visualized extending into the region of the right ventricle . The heart is within normal limits of size . The lungs are clear without signs of pneumonia or CHF . No effusion or pneumothorax is seen . The imaged osseous structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No evidence of pneumonia or effusion .