sacrococcygeal teratoma

• 骶尾骨畸胎瘤

sacrococcygeal teratoma的用法和样例：

例句

1. Sacrococcygeal teratoma is a rare fetal neoplasm with an incidence of 1 in. 40,000 births.
   摘要胎儿骨氐尾骨畸胎瘤为极罕见的胎儿肿瘤，其发生机率约为四万分之一。