Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated . The cardiomediastinal contour is normal although the right heart border is not visualized . This appearance can be seen with pectus excavatum and correlation with clinical examination is recommended . No consolidation seen . There is a mild thoracic scoliosis convex to the right , unchanged compared to the prior study . No pneumothorax . The visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process seen . No significant interval change when compared to the prior study .