American College of Surgeons Oncology Group (ACOSOG)

See the ACOSOG webpage

  • Z-0010: Breast. Not randomized. Study of patients with negative sentinal lymph node biopsy. Does bone marrow biopsy to rule out micrometastatic disease.
  • Z-0011: Breast. Randomized to lymph node dissection vs no further surgery for clinical T1-2N0 with positive sentinal lymph node biopsy after lumpectomy.