Naoki Hayashi

Loss of Human Epidermal Growth Factor Receptor 2 (HER2) Expression in Metastatic Sites of HER2-Overexpressing Primary Breast Tumors

Naoki Niikura, Jun Liu, Naoki Hayashi et al. · Journal of Clinical Oncology · 2011 · 413 citations · Full text

Medicine, Oncology, Pathology +16

Treatment outcomes and prognostic factors for patients with brain metastases from breast cancer of each subtype: a multicenter retrospective analysis

Naoki Niikura, Naoki Hayashi, Norikazu Masuda et al. · Breast Cancer Research and Treatment · 2014 · 199 citations

Medicine, Oncology, Surgery +14

Changes in tumor expression of HER2 and hormone receptors status after neoadjuvant chemotherapy in 21 755 patients from the Japanese breast cancer registry

Naoki Niikura, Ai Tomotaki, Hiroaki Miyata et al. · Annals of Oncology · 2015 · 182 citations

Medicine, Oncology, Breast Oncology +14

Comparison of tumor‐infiltrating lymphocytes between primary and metastatic tumors in breast cancer patients

Rin Ogiya, Naoki Niikura, Nobue Kumaki et al. · Cancer Science · 2016 · 164 citations · Full text

Medicine, Immunology, Oncology +17

Estrogen receptor (ER) mRNA expression and molecular subtype distribution in ER-negative/progesterone receptor-positive breast cancers

Mitsuya Itoh, Takayuki Iwamoto, Junji Matsuoka et al. · Breast Cancer Research and Treatment · 2013 · 105 citations · Full text

Medicine, Molecular Biology, Oncology +15