Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Median sternotomy wires are demonstrated . Moderate cardiomegaly is stable . Prominence of the pulmonary vasculature is overall similar to the prior examination . No evidence of focal consolidation , pulmonary edema or pneumothorax . Minimal linear atelectasis at the left lung base .
    OUTPUT:
    
No radiographic evidence of pneumonia .