Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low and the lungs are clear . Mediastinal contours , hila , cardiac silhouette are normal . There is no pneumothorax or pleural effusion . Elevation of the left hemidiaphragm is unchanged from ___ . Osseous abnormality within the limits of plain radiography . The lower anterior ribs are not well - visualized .
    OUTPUT:
    
Normal chest radiograph . The lower anterior ribs are not well - visualized .