Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post left upper lobectomy with left - sided volume loss and chronic changes of the left ribs . The lungs are clear without consolidation , effusion , or edema . The cardiomediastinal silhouette is stable . Median sternotomy wires and mediastinal clips are again noted . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .