Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Left chest wall pacer device again seen with lead extending to the region the right ventricle . The heart remains mildly enlarged . The aorta is calcified and slightly unfolded . The lungs are clear without focal consolidation , large effusion or pneumothorax . The hila appear slightly congested . No overt edema . Bony structures are intact .
    OUTPUT:
    
Hilar congestion , mild cardiomegaly . No overt edema .