Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal image of the chest was obtained . There is severe chest wall deformity and levoscoliosis again seen . No focal opacities are visualized in the lungs . There is no pneumothorax or pleural effusion seen . Cardiomediastinal silhouette appears unchanged .
    OUTPUT:
    
Essentially unchanged chest radiograph from prior imaging with no evidence for acute pulmonary process .