1. Biology of primary breast cancer in older women beyond routine biomarkers

   • R. M. Parks
   • L. H. Alfarsi
   • K. L. Cheung

   Review Article Open access 24 June 2021 Pages: 991 - 1001

   

2. Microsurgical techniques in the treatment of breast cancer-related lymphedema: a systematic review of efficacy and patient outcomes

   • Konstantinos Gasteratos
   • Antonios Morsi-Yeroyannis
   • Kongkrit Chaiyasate

   Review Article Open access 12 July 2021 Pages: 1002 - 1015

   

3. Clinical effect of the pathological axillary assessment method in breast cancer without clinical nodal metastasis

   • Shinsuke Sasada
   • Norio Masumoto
   • Morihito Okada

   Original Article 19 March 2021 Pages: 1016 - 1022

   

4. Meta-analysis of nanoparticle albumin-bound paclitaxel used as neoadjuvant chemotherapy for operable breast cancer based on individual patient data (JBCRG-S01 study)

   • Manabu Futamura
   • Mari Oba
   • Shinji Ohno

   Original Article Open access 03 April 2021 Pages: 1023 - 1037

   

5. Japanese subpopulation analysis of MONARCH 2: phase 3 study of abemaciclib plus fulvestrant for treatment of hormone receptor-positive, human epidermal growth factor receptor 2-negative breast cancer that progressed on endocrine therapy

   • Kenichi Inoue
   • Norikazu Masuda
   • Masakazu Toi

   Original Article Open access 01 April 2021 Pages: 1038 - 1050

   

6. Long-term outcomes of oligometastatic breast cancer patients treated with curative intent: an updated report

   • Eijiro Nagasaki
   • Rei Kudo
   • Tadashi Kobayashi

   Original Article 11 April 2021 Pages: 1051 - 1061

   

7. Effect of Wnt5a on drug resistance in estrogen receptor-positive breast cancer

   • Ai Amioka
   • Takayuki Kadoya
   • Morihito Okada

   Original Article Open access 28 May 2021 Pages: 1062 - 1071

   

8. Correction to: Effect of Wnt5a on drug resistance in estrogen receptor‑positive breast cancer

   • Ai Amioka
   • Takayuki Kadoya
   • Morihito Okada

   Correction 28 June 2021 Pages: 1072 - 1072

9. Inhibition of Cdc20 suppresses the metastasis in triple negative breast cancer (TNBC)

   • Christine Song
   • Val J. Lowe
   • SeungBaek Lee

   Original Article 03 April 2021 Pages: 1073 - 1086

   

10. Impact of adjuvant endocrine therapy on prognosis in small hormone receptor-positive, HER2-negative early breast cancer

    • Yayoi Adachi
    • Isao Oze
    • Hiroji Iwata

    Original Article 22 April 2021 Pages: 1087 - 1095

    

11. Clinical effects of assessing electronic patient-reported outcomes monitoring symptomatic toxicities during breast cancer therapy: a nationwide and population-based study

    • Helle Pappot
    • Christina W. Baeksted
    • Christoffer Johansen

    Original Article 09 April 2021 Pages: 1096 - 1099

    

12. Clinicopathologic and genetic features of metaplastic breast cancer with osseous differentiation: a series of 6 cases

    • Xue Chao
    • Wanlin Tan
    • Peng Sun

    Original Article 03 May 2021 Pages: 1100 - 1111

    

13. Comparisons of postoperative outcomes after breast cancer surgery in patients with and without renal replacement therapy: a matched-pair cohort study using a Japanese nationwide inpatient database

    • Takaaki Konishi
    • Michimasa Fujiogi
    • Hideo Yasunaga

    Original Article 10 April 2021 Pages: 1112 - 1119

14. Can breast MRI and adjunctive Doppler ultrasound improve the accuracy of predicting pathological complete response after neoadjuvant chemotherapy?

    • Kazuaki Nakashima
    • Takayoshi Uematsu
    • Akifumi Notsu

    Original Article 10 April 2021 Pages: 1120 - 1130

    

15. Evaluation of the ability of the Clinical Treatment Score at 5 years (CTS5) compared to other risk stratification methods to predict the response to an extended endocrine therapy in breast cancer patients

    • Andrea Villasco
    • Francesca Accomasso
    • Nicoletta Biglia

    Original Article Open access 03 May 2021 Pages: 1131 - 1140

    

16. Discriminating low-grade ductal carcinoma in situ (DCIS) from non-low-grade DCIS or DCIS upgraded to invasive carcinoma: effective texture features on ultrafast dynamic contrast-enhanced magnetic resonance imaging

    • Naoko Mori
    • Hiroyuki Abe
    • Kei Takase

    Original Article 26 April 2021 Pages: 1141 - 1153

    

17. Comparison of thoracic and abdominal deep inspiration breath holds in whole-breast irradiation for patients with left-sided breast cancer

    • Kimiko Hirata
    • Masaru Narabayashi
    • Shuji Ohtsu

    Original Article 28 April 2021 Pages: 1154 - 1162

    

18. Challenges and future directions in breast cancer care in Fukushima prefecture in Japan: correspondence to “A survey on the current status of clinical resources for diagnosis and treatment of breast cancer in rural hospitals of the Tohoku region in Japan”

    • Akihiko Ozaki
    • Kazunoshin Tachibana
    • Tohru Ohtake

    Letter to the Editor 20 April 2021 Pages: 1163 - 1164