Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , effusion , edema , or pneumothorax . The heart is normal in size . The mediastinum is not widened . No acute osseous abnormality . There is pectus excavatum and mild dextroconvex scoliosis .
    OUTPUT:
    
No acute intrathoracic process .