Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Left chest wall AICD is noted . With lead extending into the right ventricle . Midline sternotomy wires and mediastinal clips are noted . The heart is mildly enlarged . The lungs are clear and hyperinflated . No large effusion or pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild cardiomegaly , AICD noted . No acute intrathoracic process .