Conclusion: Tumour local aggression and distant metastasis were the main lethal factors of PTC.

结论：肿瘤局部侵犯及血行转移是主要致死因素。

youdao

Background: Giant cell tumor of bone (GCT) is frequently seen in bone tumors, with local aggression and high risk of recurrence.

背景：骨巨细胞瘤是一种常见的骨肿瘤，其有较强的局部侵蚀性，术后复发率较高。

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What if such a rogue state chose merely to threaten the launch of WMD-equipped ballistic missiles in order to dissuade an undefended United States from resisting its acts of local aggression?

CENTERFORSECURITYPOLICY: Pearl Harbor, All Over Again