請教專家，全切後病理報告

活檢隻發現DCIS, 較大，剛做了全切。病理報告如下：

1.Right axillary sentinel lymph nodes*2, excision biopsy: two out of two lymph nodes negative for maligancy
2. right breast, mastectomy
A. multifocal invasive ductal carcinoma Grade 3/3, 0.8cm largest focus, negative for lymphovascular invasion
B. High Grade DCIS 2.8 cm, 3 mm from claoset margrin.

請問我是否要化療和放療？因為孩子很小，我很擔心。謝謝！