Biliary Atresia

My 3 Weeks Old Baby Is Referred To Go KKH For Check Up Due To Jaundice And Is Advice For Test Fot Biliary Atresia And As I Search In Google It Is A Life Threatening For Babies And Only Liver Transplant Can Save Them I Am So Scared And Worried But As I Search For All The Symptoms Of Biliary ATRESIA NONE OF IT my Son Has Except For Slow Gaining Weight