In non-invasive breast cancer, cells grow too much but haven't started to invade normal surrounding healthy tissue.

(在非侵袭式乳癌中，细胞过度生长但没有开始入侵周围的正常健康组织)。

youdao

Normal breast tissue,however, was not affected.

VOA: special.2010.06.01

Breasts reconstructed with the patient's tissue are softer and will age like a normal breast.

CNN: How surgeons build new breasts