Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are normal . The previously described right upper lung nodule is not appreciated on today 's examination and likely represented overlapping of vascular shadows . Lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Normal chest radiograph . Previously described nodule is not appreciated on today 's examination .