Bult, P.

patient tumor cells axillary tumor cancer axillary treatment breast micrometastase therapy recurrence breast cancer treatment lymph adjuvant cohort adjuvant therapy dissection disease-free survival node-negative survival sentinel study no-adjuvant-therapy cohort 5- year rate axillary lymph-node dissection axillary irradiation sln micrometastases irradiation status node-positive node-negative disease disease-free tumor size grade recurrence rate hormone receptor status no-adjuvant-therapy table diagnosis disease ratio hazard lymph nodes england journal nejm.org oncol biopsy erasmus university women medicine downloaded 5- year metastase netherland copyright lymph-node surgery <0.001 sentinel-node biopsy netherlands cancer registry 1.00 trial follow-up university analysis hazard ratio characteristic nodal dutch adjuvant-therapy cohort ann surg oncol breast cancer patients early-stage breast cancer e ng l pathology recurrence rates journal axillary dissection signi ficantly society sln procedure