Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Allowing for differences in patient positioning , there is redemonstration of a right - sided pleural effusion with fluid tracking into the minor fissure . There is severe dextroscoliosis of the thoracic spine , limiting evaluation of the left effusion . Upper lungs are clear . The cardiomediastinal silhouette is unchanged . A right - sided catheter likely reflects a ventricular peritoneal shunt .
    OUTPUT:
    
Redemonstration of moderate - sized right pleural effusion . No definite additional change is seen .