Rei Umezawa

Sendai, Japan

Last Updated: 09/26/2026

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Found 147 publications

Is Tumor Bed Boost Necessary in Young Patients With Margin-negative Invasive Ductal Carcinoma in the Modern Radiotherapy Era?

Is Tumor Bed Boost Necessary in Young Patients With Margin-negative Invasive Ductal Carcinoma in the Modern Radiotherapy Era?

Journal: Anticancer research

Published: May 29, 2026

Long-term outcomes of definitive chemoradiotherapy with docetaxel, cisplatin, and 5-fluorouracil for postoperative locoregional recurrent esophageal cancer: a prospective phase II study.

Long-term outcomes of definitive chemoradiotherapy with docetaxel, cisplatin, and 5-fluorouracil for postoperative locoregional recurrent esophageal cancer: a prospective phase II study.

Journal: Frontiers in oncology

Published: April 29, 2026

IMRT planning quality under a single full-time radiation oncologist supported by structured remote peer review and planning assistance versus the two-oncologist standard: the REMOTE-IMRT prospective, pair-matched, multi-institutional trial.

IMRT planning quality under a single full-time radiation oncologist supported by structured remote peer review and planning assistance versus the two-oncologist standard: the REMOTE-IMRT prospective, pair-matched, multi-institutional trial.

Journal: Japanese journal of radiology

Published: April 19, 2026

Durvalumab After Chemoradiotherapy for Locally Advanced NSCLC: A Real-World Analysis Using a Nationwide Claims Database in Japan.

Durvalumab After Chemoradiotherapy for Locally Advanced NSCLC: A Real-World Analysis Using a Nationwide Claims Database in Japan.

Journal: Clinical lung cancer

Published: April 11, 2026

Treatment strategies for postoperative locoregional recurrent esophageal squamous cell carcinoma after curative resection: a narrative review.

Treatment strategies for postoperative locoregional recurrent esophageal squamous cell carcinoma after curative resection: a narrative review.

Journal: Esophagus : official journal of the Japan Esophageal Society

Published: April 06, 2026

Radiotherapy utilization in the last 30 days before death among patients with malignant neoplasms in Japan: a claims database study.

Radiotherapy utilization in the last 30 days before death among patients with malignant neoplasms in Japan: a claims database study.

Journal: International journal of clinical oncology

Published: March 27, 2026

Real-world trends in radiotherapy modalities for esophageal cancer: analysis of a nationwide claims database in Japan.

Real-world trends in radiotherapy modalities for esophageal cancer: analysis of a nationwide claims database in Japan.

Journal: Esophagus : official journal of the Japan Esophageal Society

Published: March 22, 2026

Impact of Hydrogel Spacer on Radiation Proctitis After Prostate Cancer Radiation Therapy: A Large-Scale Claims Database Analysis.

Impact of Hydrogel Spacer on Radiation Proctitis After Prostate Cancer Radiation Therapy: A Large-Scale Claims Database Analysis.

Journal: Advances in radiation oncology

Published: February 05, 2026

Deep learning-based auto-contouring for organs at risk in three-dimensional image-guided brachytherapy for cervical cancer and endometrial cancer.

Deep learning-based auto-contouring for organs at risk in three-dimensional image-guided brachytherapy for cervical cancer and endometrial cancer.

Journal: Journal of applied clinical medical physics

Published: December 13, 2025

3D Organ Motion Estimation for Radiotherapy through Material Point Method-Driven Extrapolation of Multiple Orthogonal Slices.

3D Organ Motion Estimation for Radiotherapy through Material Point Method-Driven Extrapolation of Multiple Orthogonal Slices.

Journal: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

Published: December 03, 2025

Feasibility of retrieval-augmented generation for large language models with Japanese input in radiotherapy.

Feasibility of retrieval-augmented generation for large language models with Japanese input in radiotherapy.

Journal: Journal of radiation research

Published: December 01, 2025

CDKN2A/B status and histological grade independently predict post-recurrence survival in recurrent IDH-mutant astrocytoma.

CDKN2A/B status and histological grade independently predict post-recurrence survival in recurrent IDH-mutant astrocytoma.

Journal: Brain tumor pathology

Published: November 23, 2025

Showing 1-12 of 147

Last Updated: 09/26/2026