Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD device is noted with single lead terminating within the right ventricle . The heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . There is no pulmonary edema , focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities are present . There is mild scarring within the lung apices .
    OUTPUT:
    
Mild cardiomegaly without evidence of congestive heart failure or pneumonia .