结论肝未分化(胚胎性)肉瘤好发于儿童，具有独特的临床病理特点，可能起源于原始间质细胞，为预后较差之儿童肝肿瘤。

Conclusion UESL is a rare childhood malignant tumor of the liver, which may arise from primitive mesenchymal cell and reveals poor prognosis.

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结论肝未分化(胚胎性)肉瘤好发于儿童，具有独特的临床病理特点，可能起源于原始间质细胞，为预后较差之儿童肝肿瘤。

Conclusion UESL is a rare childhood malignant tumor of the liver, which may arise from primitive mesenchymal cell and reveals poor prognosis.

youdao