Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall AICD is new from prior with 3 leads extending into the region the right atrium , right ventricle and coronaries sinus . Midline sternotomy wires again noted . The heart remains mildly enlarged . Mediastinal contour is unchanged with prominence of the right peritracheal stripe again noted likely reflecting vascular engorgement . The lungs are clear without convincing evidence for pneumonia or edema . No large effusion or pneumothorax is seen . The imaged bony structures are intact . No free air is seen below the right hemidiaphragm .
    OUTPUT:
    
1 . AICD positioned as as described . 2 . Stable mild cardiomegaly . 3 . No signs of pneumonia or overt edema .