主要症状：数周或数月内疼痛加剧，肿块体积增大，病理性骨折。

Symptoms: Pain increasing for weeks/months, enlarging mass, pathologic fracture.

youdao

主要症状：数周或数月内疼痛加剧，肿块体积增大，病理性骨折。

Symptoms: Pain increasing for weeks/months, enlarging mass, pathologic fracture.

youdao