Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right posterior thoracic mass is again seen . The lungs are otherwise clear . There is no focal consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . No change of the right posterior thoracic mass .