Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the right chest tube has been removed . No pneumothorax is identified . The lung volumes have slightly improved , though there is persistent retrocardiac atelectasis . There is no new opacity or pulmonary edema . Probable small bilateral pleural effusions are present . The cardiomediastinal silhouette is unchanged with an expected post-operative appearance . A right internal jugular central venous catheter is present with the tip in the low SVC .
    OUTPUT:
    
Status post right chest tube removal . No evidence of a pneumothorax .