K. Nihei

H. Ohmatsu, Y. Nishiwaki, Y. Ohe, 2011, Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer.

Feasibility study of chemoradiotherapy followed by amrubicin and cisplatin for limited‐disease small cell lung cancer

M. Satouchi, K. Nihei, M. Nishio, 2016, Cancer science.

Dose-escalation study of thoracic radiotherapy in combination with pemetrexed plus Cisplatin followed by pemetrexed consolidation therapy in Japanese patients with locally advanced nonsquamous non-small-cell lung cancer.

Y. Ohe, K. Kubota, K. Nihei, 2013, Clinical lung cancer.

Determination of optimal radiation energy for different breast sizes using ct-simulatior in tangential breast irradiation

M. Hiraoka, Y. Nagata, K. Sasai, 2000 .

Dose-Escalation Study of Thoracic Radiotherapy in Combination With Pemetrexed Plus Cisplatin in Japanese Patients With Locally Advanced Nonsquamous Non–Small Cell Lung Cancer: A Post Hoc Analysis of Survival and Recurrent Sites

H. Ohmatsu, Y. Ohe, K. Yoh, 2016, American journal of clinical oncology.

Salvage Radiotherapy Versus Hormone Therapy for Prostate-specific Antigen Failure After Radical Prostatectomy: A Randomised, Multicentre, Open-label, Phase 3 Trial (JCOG0401)†.

K. Nihei, T. Habuchi, S. Egawa, 2019, European urology.

A multicenter phase II study of local radiation therapy for stage IEA mucosa-associated lymphoid tissue lymphomas: a preliminary report from the Japan Radiation Oncology Group (JAROG).

T. Teshima, K. Higuchi, M. Hasegawa, 2007, International journal of radiation oncology, biology, physics.

Accelerated Hypofractionated Radiotherapy Versus Stereotactic Body Radiotherapy for the Treatment of Stage I Nonsmall Cell Lung Cancer—A Single Institution Experience With Long-Term Follow-Up

K. Nihei, K. Karasawa, T. Shimizuguchi, 2018, Technology in cancer research & treatment.

Stereotactic Body Radiation Therapy for Patients with Pulmonary Interstitial Change: High Incidence of Fatal Radiation Pneumonitis in a Retrospective Multi-Institutional Study

H. Onishi, Y. Shioyama, T. Kimura, 2018, Cancers.

Prognostic significance of intensive local therapy to bone lesions in renal cell carcinoma patients with bone metastasis

K. Nihei, F. Koga, H. Fukushima, 2016, Clinical & Experimental Metastasis.

Non-small cell lung cancer, locally advanced

P. Lambin, S. Kozlov, I. Petersen, 2012 .

Evaluating dosimetric differences in spine stereotactic body radiotherapy: An international multi-institutional treatment planning study.

Lijun Ma, M. Ruschin, A. Sahgal, 2015, Journal of radiosurgery and SBRT.

Submucosal tumor appearance is a useful endoscopic predictor of early primary-site recurrence after definitive chemoradiotherapy for esophageal squamous cell carcinoma.

S. Yoshida, T. Yano, K. Nihei, 2011, Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus.

Multi-institutional Phase II study of proton beam therapy for organ-confined prostate cancer focusing on the incidence of late rectal toxicities.

K. Nihei, S. Murayama, H. Fuji, 2011, International journal of radiation oncology, biology, physics.

Intensity-modulated radiotherapy for synchronous cancer of the anal canal and cervix

K. Sasai, K. Nihei, K. Karasawa, 2018, Oncology letters.

Proton-beam therapy for olfactory neuroblastoma.

K. Nihei, T. Nishio, H. Nishimura, 2007, International journal of radiation oncology, biology, physics.

Rectal Toxicity After Extremely Hypofractionated Radiotherapy Using a Non-Isocentric Robotic Radiosurgery System for Early Stage Prostate Cancer

K. Nihei, Y. Kumazaki, N. Shikama, 2016, World journal of oncology.

Proton beam therapy as a nonsurgical approach to mucosal melanoma of the head and neck: a pilot study.

K. Nihei, R. Kohno, T. Nishio, 2011, International journal of radiation oncology, biology, physics.

Treatment results of well-differentiated thyroid cancer patients with bone metastases treated with Iodine-131

K. Nihei, K. Hiruma, Hiroshi Tanaka, 2014 .

Optimisation of Radiation Therapy in Bladder Preservation Therapy for Patients With Clinical Stage T2N0M0 Bladder Cancer.

K. Nihei, T. Shimbo, M. Nakata, 2022, Clinical oncology (Royal College of Radiologists (Great Britain)).

Effect of a lead block on alveolar bone protection in image-guided high-dose-rate interstitial brachytherapy for tongue cancer: using model-based dose calculation algorithms to correct for inhomogeneity

H. Yamazaki, E. Tanaka, Y. Ariji, 2022, Journal of contemporary brachytherapy.

Retrospective Analysis of Risk Factors for Central Nervous System Metastases in Operable Breast Cancer: Effects of Biologic Subtype and Ki67 Overexpression on Survival

Toshiyuki Shimada, Hirofumi Mukai, H. Mukai, 2012, Oncology.

Non-surgical approach to small cell carcinoma of the esophagus: does this rare disease have the same tumor behavior as SCLC?

T. Yano, K. Nihei, A. Ohtsu, 2012, International Journal of Clinical Oncology.

Whole-liver radiotherapy for diffuse liver metastases improves liver enzymes and related factors

K. Nihei, Y. Osawa, K. Karasawa, 2019, Acta oncologica.

Postoperative re-irradiation using stereotactic body radiotherapy for metastatic epidural spinal cord compression.

K. Nihei, T. Furuya, K. Karasawa, 2018, Journal of neurosurgery. Spine.

Influence of postsurgical residual tumor volume on local control in radiotherapy for maxillary sinus cancer.

Y. Itai, K. Nihei, S. Ebihara, 2001, Japanese journal of clinical oncology.

Efficacy of Endoscopic Resection and Selective Chemoradiotherapy for Stage I Esophageal Squamous Cell Carcinoma.

T. Yano, H. Ono, T. Oyama, 2019, Gastroenterology.

Long-term results of salvage endoscopic mucosal resection in patients with local failure after definitive chemoradiotherapy for esophageal squamous cell carcinoma.

S. Yoshida, T. Yano, K. Nihei, 2008, Endoscopy.

Risk factors associated with fatal pulmonary hemorrhage in locally advanced non-small cell lung cancer treated with chemoradiotherapy

H. Ohmatsu, Y. Ohe, K. Yoh, 2012, BMC Cancer.

Long-Term T oxicity A fter D efinitive C hemoradiotherap y f or Squamous C ell C arcinoma o f t he T horacic E sophagus

S. Yoshida, K. Nihei, A. Ohtsu, 2003 .

Determining the recommended dose of stereotactic body radiotherapy boost in patients with cervical cancer who are unsuitable for intracavitary brachytherapy: a phase I dose-escalation study.

T. Yasugi, N. Kino, K. Nihei, 2019, Japanese journal of clinical oncology.

Carboplatin, S-1 and concurrent thoracic radiotherapy for elderly patients with locally advanced non-small cell lung cancer: a multicenter Phase I/II study.

Y. Hosomi, Y. Ohe, K. Goto, 2019, Japanese journal of clinical oncology.

A phase II study of radiotherapy employing proton beam for hepatocellular carcinoma.

J. Furuse, K. Nihei, T. Kinoshitá, 2004, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

IMRT for Angiosarcoma of the Scalp Using Tomotherapy: Planning Study and the Initial Results

K. Nihei, Hiroshi Tanaka, K. Karasawa, 2014 .

Radiotherapy After Transcatheter Arterial Chemoembolization for Patients With Hepatocellular Carcinoma and Portal Vein Tumor Thrombus

J. Furuse, K. Nihei, M. Satake, 2002, American journal of clinical oncology.

Efficacy of chemoradiotherapy on pain relief in patients with intrapelvic recurrence of rectal cancer.

K. Nihei, A. Ohtsu, N. Boku, 2003, Japanese journal of clinical oncology.

Involved-field chemoradiotherapy for postoperative solitary lymph node recurrence of esophageal cancer

K. Sasai, K. Nihei, K. Karasawa, 2018, Esophagus.

Clinical outcomes and prognostic factors of chemoradiotherapy for postoperative lymph node recurrence of esophageal cancer

K. Sasai, K. Nihei, K. Karasawa, 2018, Japanese journal of clinical oncology.

Short-course palliative radiotherapy for airway stenosis in non-small cell lung cancer

K. Nihei, S. Ishikura, M. Kawashima, 2002, International Journal of Clinical Oncology.

A Retrospective Study of Definitive Chemoradiotherapy for Elderly Patients With Esophageal Cancer

T. Yano, K. Nihei, A. Ohtsu, 2007, American journal of clinical oncology.

Clinical Outcome of Chemoradiation Therapy in Patients with Limited-Disease Small Cell Lung Cancer with Ipsilateral Pleural Effusion

H. Ohmatsu, N. Saijo, Y. Nishiwaki, 2008, Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer.

A prospective multicentre feasibility study of stereotactic body radiotherapy in Japanese patients with spinal metastases.

K. Nihei, T. Furuya, Hiroshi Tanaka, 2019, Japanese journal of clinical oncology.

Assessing Functionality and Benefits of Comprehensive Dose Volume Prescriptions: An International, Multi-Institutional, Treatment Planning Study in Spine Stereotactic Body Radiation Therapy.

Lijun Ma, M. Ruschin, A. Sahgal, 2019, Practical radiation oncology.

First report of stereotactic body radiotherapy for large-volume spinal tumors

K. Sasai, K. Nihei, T. Furuya, 2017, International Cancer Conference Journal.

Initial experience with the quality assurance program of radiation therapy on behalf of Japan Radiation Oncology Group (JAROG).

T. Teshima, K. Higuchi, M. Hasegawa, 2007, Japanese journal of clinical oncology.

Comprehensive evaluation of dosimetric impact against position errors in accelerator‐based BNCT under different treatment parameter settings

K. Nihei, K. Isohashi, Ryo Kakino, 2022, Medical physics.

Concurrent Chemoradiotherapy with Cisplatin and Vinorelbine for Stage III Non-small Cell Lung Cancer

H. Ohmatsu, N. Saijo, Y. Nishiwaki, 2008, Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer.

A phase I study of hypofractionated radiotherapy followed by systemic chemotherapy with full-dose gemcitabine in patients with unresectable locally advanced pancreatic cancer.

J. Furuse, K. Nihei, M. Yoshino, 2004, Hepato-gastroenterology.

Preliminary result of proton beam therapy for malignancies of the nasal cavity and paranasal sinus-with special reference to adverse effects on optic pathways

K. Nihei, T. Nishio, S. Ishikura, 2004 .

Stereotactic Body Radiotherapy for Spinal Metastases: Clinical Experience in 134 Cases From a Single Japanese Institution

K. Nihei, T. Furuya, Hiroshi Tanaka, 2018, Technology in cancer research & treatment.

Improvement in the neutron beam collimation for application in boron neutron capture therapy of the head and neck region

K. Nihei, Ryo Kakino, Hiroki Tanaka, 2022, Scientific Reports.

External-beam radiotherapy for localized or locally advanced prostate cancer in Japan: a multi-institutional outcome analysis.

H. Onishi, M. Ogura, T. Akimoto, 2008, Japanese journal of clinical oncology.

A comparison of clinical outcomes between three-dimensional conformal radiotherapy and intensity-modulated radiotherapy for prostate cancer

K. Nihei, K. Karasawa, T. Shimizuguchi, 2017, International Journal of Clinical Oncology.

Final analysis of single-arm confirmatory study of diagnostic endoscopic resection(ER) plus selective chemoradiotherapy (CRT) for stage I esophageal squamous cell carcinoma (ESCC): JCOG0508.

T. Yano, H. Ono, I. Oda, 2018 .

A phase II study of hyperfractionated accelerated radiotherapy (HART) after induction cisplatin (CDDP) and vinorelbine (VNR) for stage III non-small-cell lung cancer (NSCLC).

H. Ohmatsu, R. Kakinuma, Y. Nishiwaki, 2005, International journal of radiation oncology, biology, physics.

Phase II feasibility study of high-dose radiotherapy for prostate cancer using proton boost therapy: first clinical trial of proton beam therapy for prostate cancer in Japan.

K. Nihei, S. Ishikura, H. Nishimura, 2005, Japanese journal of clinical oncology.

Evaluation of a treatment planning system developed for clinical boron neutron capture therapy and validation against an independent Monte Carlo dose calculation system

K. Ono, K. Nihei, K. Isohashi, 2021, Radiation oncology.

Prognostic significance of intensive local therapy to bone lesions in renal cell carcinoma patients with bone metastasis

K. Nihei, F. Koga, H. Fukushima, 2016, Clinical & Experimental Metastasis.

Phase II study of radiotherapy employing proton beam for hepatocellular carcinoma.

J. Furuse, K. Nihei, T. Kinoshitá, 2005, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

Combination of endoscopic mucosal resection and chemoradiotherapy as a nonsurgical treatments for patients with clinical stage I esophageal squamous cell carcinoma

T. Yano, K. Nihei, A. Ohtsu, 2007 .

Re-irradiation for painful bone metastases using stereotactic body radiotherapy

K. Nihei, T. Furuya, K. Karasawa, 2018, Acta oncologica.

Exploration of the threshold SUV for diagnosis of malignancy using 18F-FBPA PET/CT

Y. Kanai, J. Hatazawa, K. Nihei, 2022, European Journal of Hybrid Imaging.

779 A pilot study of hyperfractionated accelerated radiotherapy (HART) following induction cisplatin and vinorelbine for stage III non-small cell lung cancer (NSCLC)

H. Ohmatsu, R. Kakinuma, Y. Nishiwaki, 2003 .

Efficacy and safety of Bladder Preservation Therapy in combination with Atezolizumab and Radiation Therapy (BPT-ART) for invasive bladder cancer: Interim analysis from a multicenter, open-label, prospective phase II trial.

T. Tsuzuki, K. Nihei, H. Yamashita, 2023, International journal of radiation oncology, biology, physics.

Real-World Results of Stereotactic Body Radiotherapy for 399 Medically Operable Patients with Stage I Histology-Proven Non-Small Cell Lung Cancer

H. Onishi, Y. Shioyama, T. Kimura, 2023, Cancers.

KORTUC, a novel hydrogen peroxide‑based radiosensitizer for the enhancement of brachytherapy in patients with unresectable recurrent uterine cervical cancer

K. Nihei, T. Shimbo, Satoshi Takeno, 2023, Oncology letters.

A Japanese Multi-Institutional Phase II Study of Moderate Hypofractionated Intensity-Modulated Radiotherapy With Image-Guided Technique for Prostate Cancer.

E. Kunieda, K. Nihei, T. Mizowaki, 2021, International journal of radiation oncology, biology, physics.