Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . The AICD is unchanged extending into the right ventricle . No focal consolidation , large effusion or pneumothorax is seen . There is mild central hilar engorgement without frank pulmonary edema . Bony structures appear intact .
    OUTPUT:
    
Mild hilar engorgement without frank pulmonary edema .