医生发现肿瘤有恶性的迹象。

The doctor detected signs of ___malignancy in the tumor.

医生确认这个肿块是恶性的，需要立即手术切除。

The doctor confirmed that the lump was a ___malignancy requiring immediate surgery.

她话语中隐藏的恶意令人不安。

The ___malignancy hidden in her words was disturbing.