Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . A cluster of abandoned pacing leads are noted in the left chest wall . Midline sternotomy wires are again noted , with mediastinal clips . The heart size is moderately enlarged . No large pleural effusion or pneumothorax is seen . No definite signs of pneumonia . Mediastinal contour is unremarkable . Bony structures appear grossly intact . Degenerative right AC joint arthropathy noted .
    OUTPUT:
    
Cardiomegaly , no signs of CHF or pneumonia .