Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . There is a dual lead right chest pacemaker with lead tips extending to the right atrium and right ventricle . A right pleural effusion is again noted , moderate in size , not significantly changed from prior . There is associated right basal compressive atelectasis . There is underlying emphysema , better assessed on prior CT . Heart is mildly enlarged . The mediastinal contour is stable . Bony structures are intact .
    OUTPUT:
    
Stable right pleural effusion with compressive lower lung atelectasis . Emphysema also redemonstrated .