SAA has a poor prognosis, death usually occurred within 6 months.
SAA的临床预后差，死亡率高，自然病程6个月左右。
Conclusion EM is a highly malignant tumor which often grows rapidly and has poor prognosis.
结论EM是一种高度恶性肿瘤，该瘤生长迅速，常可复发，预后差。
Conclusion EM is a highly malignant tumor which often grows rapidly and has poor prognosis.
结论EM是一种高度恶性肿瘤，该瘤生长迅速，常可复发，预后差。
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