Conclusions: Embryonal rhabdomyosarcoma of the biliary tree, though rare, is the most common cause of biliary obstruction due to malignancy in childhood.
结论：胆道胚胎型横纹肌肉瘤极罕见，但小儿胆系恶性肿瘤多为该种肉瘤。
Conclusions: Embryonal rhabdomyosarcoma of the biliary tree, though rare, is the most common cause of biliary obstruction due to malignancy in childhood.
结论：胆道胚胎型横纹肌肉瘤极罕见，但小儿胆系恶性肿瘤多为该种肉瘤。
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