Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small right pleural effusion , which is increased in size since the prior chest radiograph , though similar to the prior CT . There is no left pleural effusion . No pneumothorax is identified . The lungs are clear without consolidation or edema . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Small right pleural effusion , similar to the prior CT .