P21.11: Decrease of human chorionic gonadotropin (hCG) in the cases of fetal pleural effusion following effective thoraco‐amniotic shunting (TAS). (September 2014) - Chiaki, R.; Takahashi, Y.; Shiga, T.; Matsui, M.; Asai, K.; Iwagaki, S.; Shimaoka, R.; Miwa, R.; Kawabata, I.