Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , the right hemidiaphragm is not sharply seen . There is a small right pleural effusion and atelectasis at the right lung base . There is no new focal consolidation to suggest pneumonia . There is no edema or pneumothorax . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Small right pleural effusion and a basilar atelectasis .