These discoveries may help to explain why certain breast cancers are more aggressive than others, or even to identify highly invasive tumors at an early stage.

• 这些发现可能有助于解释为什么某些乳腺癌细胞比其他细胞具有更强的侵袭性，或甚至在早期鉴别具有侵袭性的肿瘤。