Surgery is the main treatment for stage I breast cancer. These cancers can be treated with either breast-conserving surgery BCS.
You have a number of treatments.
Breast cancer treatment for stage 1. Stage I Breast Cancer Treatment Options In this early stage the cancer either hasnt spread beyond the breast or has spread in a very small amount to a lymph node. Sometimes called lumpectomy or partial mastectomy or mastectomy. The nearby lymph nodes will also need to be checked either with a sentinel lymph node biopsy SLNB or an axillary lymph node dissection.