Pleural effusion after laparoscopic appendectomy in a 9-year-old boy Posted on March 4, 2019July 21, 2022 by admin LETTER Hippokratia 2017, 21, 1: 59 Koutserimpas C, Angeli M, Ehlen M 2nd Department of General Surgery, Sismanogleio General Hospital, Athens, Greece, Department of Pediatrics, St. Elisabeth, Academic Hospital, Neuwied, Germany