Stage I

tumor less than or equal to 2 cm; no lymph nodes involved

modified radical mastectomy; radiation after mastectomy only occasionally needed

OR

lumpectomy plus radiation

OR

very occasionally, lumpectomy alone, with or without internal radiation -- only for a limited subset of women

axillary lymph node removal by traditional approach

OR

sentinal lymph node dissection (for people without enlarged nodes)

chemotherapy may be given to reduce the risk of recurrence

hormonal therapy used for people with hormone-receptor-positive cancer

no current role

does not apply