Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The cardiomediastinal and hilar contours are within normal limits and stable . The pulmonary vasculature is normal . There has been interval removal of a right - sided pigtail catheter . There is a small right pleural effusion and adjacent right basal atelectasis . The left lung is clear . There is no evidence of pneumothorax . The VP shunt is seen unchanged in position .
    OUTPUT:
    
Small right pleural effusion and adjacent right basal atelectasis .