Current status of postmastectomy radiation therapy in T1–2 breast cancer with limited positive lymph nodes in Japan: Japan Clinical Oncology Group Survey

Letter to the Editor

Notes

Acknowledgements

This study was supported by a Grant-in-Aid for Practical Research on Innovative Cancer Control from the Japan Agency for Medical Research and Development, AMED (17ck0106307h0001). We thank to all institutes affiliated with JCOG which cooperated with this survey.

Compliance with ethical standards

Conflict of interest

None of the authors has any conflicts of interest to disclose.

References

  1. 1.
    McGale P, Taylor C, Correa C, Cutter D, Duane F, Ewertz M, et al. Effect of radiotherapy after mastectomy and axillary surgery on 10-year recurrence and 20-year breast cancer mortality: meta-analysis of individual patient data for 8135 women in 22 randomised trials. Lancet. 2014;383(9935):2127–35.  https://doi.org/10.1016/s0140-6736(14)60488-8.CrossRefPubMedGoogle Scholar
  2. 2.
    Ishikawa T, Kaise H, Yamada K, Hosonaga M, Chishima T, Narui K, et al. Objection to postoperative radiation therapy in breast cancer with one to three lymph nodes involvements. Breast Cancer. 2017;24(4):496–501.  https://doi.org/10.1007/s12282-016-0749-5.CrossRefPubMedGoogle Scholar
  3. 3.
    McBride A, Allen P, Woodward W, Kim M, Kuerer HM, Drinka EK, et al. Locoregional recurrence risk for patients with T1,2 breast cancer with 1-3 positive lymph nodes treated with mastectomy and systemic treatment. Int J Radiat Oncol Biol Phys. 2014;89(2):392–8.  https://doi.org/10.1016/j.ijrobp.2014.02.013.CrossRefPubMedGoogle Scholar
  4. 4.
    Frasier LL, Holden S, Holden T, Schumacher JR, Leverson G, Anderson B, et al. Temporal trends in postmastectomy radiation therapy and breast reconstruction associated with changes in national comprehensive cancer network guidelines. JAMA Oncol. 2016;2(1):95–101.  https://doi.org/10.1001/jamaoncol.2015.3717.CrossRefPubMedPubMedCentralGoogle Scholar

Copyright information

© The Japanese Breast Cancer Society 2018

Authors and Affiliations

  1. 1.Department of Surgical Oncology, Research Institute for Radiation Biology and MedicineHiroshima UniversityHiroshimaJapan
  2. 2.Department of Breast and Endocrine SurgeryOkayama University HospitalOkayamaJapan
  3. 3.Department of Breast OncologyAichi Cancer Center HospitalNagoyaJapan

Personalised recommendations