Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . A vascular stent is partially visualized in the left upper arm . Dialysis catheter is again noted with its tip in the region of the right atrium . Midline sternotomy wires and mediastinal clips are again noted . The heart is moderately enlarged . There is pulmonary vascular congestion and probable mild edema . No large effusion is seen . Note convincing signs of pneumonia . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Mild edema , stable cardiomegaly , dialysis catheter in place .