Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild Right lung base opacity and small right pleural effusion are unchanged . There is no new consolidation . There is no pulmonary edema . Cardiomediastinal silhouette is normal size . Small right pleural effusion is slightly more .
    OUTPUT:
    
No interval change . Mild right lung base opacity and small right pleural effusion . Consider obtaining PA and lateral radiograph for better evaluation of right lung base .