NCCN Guidelines for Patients
Breast Cancer - Early-Stage
(STAGES I AND II)
, Version 1.2016
Treatment options after lumpectomy
Some women with cancer-free nodes are able to
go without radiation. Such women include those
older in age with small, hormone receptor–positive
breast tumors who will be taking endocrine therapy.
Endocrine therapy will likely stop the cancer from
If the axillary lymph nodes weren’t cancer-free, your
whole breast should be treated. A boost may follow
if the cancer is likely to return after treatment. The
internal mammary lymph nodes and supraclavicular,
infraclavicular, and axillary areas may be treated if
1 to 3 axillary nodes have cancer and should be
treated if 4 or more nodes have cancer.
Figure 5.1 Radiation after lumpectomy
Most women will have radiation therapy after a lumpectomy. This combined treatment
is called breast-conserving therapy. Most often, the whole breast is radiated. Other
sites may be radiated if the axillary lymph nodes have cancer.