
Keywords: FISH، هیبریداسیون موضعی فلورسنت; Biliary atresia; Inflammation; Kasai portoenterostomy; Immune response; MicrochimerismCMV, cytomegalovirus; T cells, T-regs regulatory; RT-PCR, reverse-transcriptase polymerase chain reaction; IL, interleukin; FISH, fluorescent in situ hybridization; ERCP