Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest right radiographs demonstrate a normal cardiomediastinal silhouette . The lungs are well aerated and clear , with no focal consolidation or pulmonary edema . There is a small right pleural effusion . There is no pleural effusion on the left , and no pneumothorax .
    OUTPUT:
    
Small right pleural effusion ; otherwise unchanged chest radiograph .