Axillary Radiotherapy or Axillary Lymph Node Dissection in Patients With Clinically Node- Positive Breast Cancer Undergoing Upfront Tailored Axillary Surgery (OPBC-10/ NOAX)

This trial is to investigate if in patients with clinically node positive breast cancer undergoing upfront surgery, treatment with TAS and ART is superior to ALND in terms of arm-related Quality of Life (QoL) and occurrence of lymphedema two years after randomization.