Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated with minimally increased interstitial markings , chronic in nature . No focal consolidation is identified . The cardiac silhouette is top normal but unchanged . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . Single fractured sternotomy wire is unchanged . Surgical clips project over the mediastinum .
    OUTPUT:
    
No evidence of pneumonia . Minimally increased interstitial markings , chronic in nature .