Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph is compared to radiograph dated ___ . Relative to prior examination , there is been little interval change . No focal consolidation convincing for pneumonia is identified . Patient is status post median sternotomy . Cardiomediastinal and hilar contours are stable in appearance . There is no overt pulmonary edema . There is no pneumothorax or pleural effusion . Visualized osseous structures are without an acute abnormality .
    OUTPUT:
    
No acute intrathoracic abnormality .