Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to previous exam , there has been no significant interval change . Right middle lobe opacity with fiducial marker is again seen overall grossly unchanged . Elsewhere , the lungs are clear . There is no effusion . Median sternotomy wires and mediastinal clips are again noted . The cardiomediastinal silhouette is stable . No acute osseous abnormalities .
    OUTPUT:
    
No significant interval change of the right middle lobe opacity compatible with patient 's right middle lobe mass and possible post treatment changes . No new focal region of consolidation .