Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate chronic elevation of left hemidiaphragm with adjacent atelectasis , unchanged from ___ . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiac silhouette is normal in size , the mediastinal contours are normal .
    OUTPUT:
    
No acute chest abnormality .