Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . The small right pleural effusion persists and is unchanged . Asymmetric opacity in the right cardiophrenic angle is overall similar to ___ and likely atelectasis . No focal consolidation to suggest pneumonia . Degenerative changes in the visualized thoracic spine with anterior osteophytes are unchanged . The heart is normal in size . No pneumothorax or pulmonary edema .
    OUTPUT:
    
Persistent small right pleural effusion . No significant interval change .