Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . The lungs are grossly clear , given limitation of portable technique and patient 's body habitus . Cardiac silhouette is enlarged but stable . Dual - lead pacing device is again seen . Previously documented right - sided pulmonary nodule is not delineated on the current exam , CT is more sensitive . Median sternotomy wires are seen .
    OUTPUT:
    
Persistent cardiomegaly . No definite acute cardiopulmonary process on this limited , portable exam .