cystocele       
noun [ C ]  medical specialized uk/ˈsɪs.te.siːl/ us/ˈsɪs.təˌsiːl/ (also bladder prolapse)
 膀胱膨出
a condition in which the bladder (= the organ where urine is stored) pushes through the wall of the vagina
  Urinary tract infections may occur because of a cystocele. 膀胱膨出可能导致泌尿道感染。 
 Surgery may be used to treat cystocele symptoms. 手术可能是治疗膀胱膨出的一种手段。