phylloides tumour is a giant fibroadenoma ,which has a tendency to become malignant,

Fibroadenoma (figh-broh-ad-eh-NOH-ma)

A fibroadenoma is one of the most common tumors in breasts, especially in women under 30. It is not caused by cancer so it does not have to be removed.

Fibroadenoma is a smooth, rubbery or hard lump that moves easily within the breast tissue and it is benign. It can be removed without changing the shape of the breast

It is possible; continue to have regular mammograms.