Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest provided . A single - lead pacer is unchanged in position with lead tip extending to the region of the right ventricle . The previously noted right IJ central venous catheter has been removed . The heart remains moderately enlarged though stable . There are no signs of CHF or pneumonia . No pneumothorax . Bony structures intact .
    OUTPUT:
    
Stable cardiomegaly , otherwise unremarkable .