Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral upright chest radiographs demonstrate clear lungs bilaterally . No focal consolidation is identified concerning for pneumonia . Patient is status post median sternotomy with intact wires identified . Cardiomediastinal and hilar contours are within normal limits , overall similar in appearance to prior examination dated ___ . There is no pleural effusion or pneumothorax identified . Visualized osseous structures demonstrate no acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality identified .