Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Left chest wall pacer is again seen with leads extending to the region the right atrium right ventricle . There has been interval placement of a right chest wall Port - A - Cath with its tip in the region of the lower SVC . Lung volumes are low with somewhat limiting assessment . There is no focal consolidation . Trace pleural effusions are likely present . No pneumothorax . The heart appears top - normal in size . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Trace pleural effusions . Top - normal heart size .