Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is rightward rotation of the patient on the current radiograph . There is essentially unchanged appearance of left - sided chest tube . The cardiomediastinal silhouettes are normal in stable in appearance . The bilateral hila are normal . There is no evidence of focal lung consolidation or pulmonary vascular congestion . There is no pneumothorax . The left - sided small subpulmonic pleural effusion is stable in size in comparison to prior radiograph . There is no right effusion
    OUTPUT:
    
Unchanged appearance of small left pleural effusion and left chest tube . No significant interval changes .