Yoichi Koyama
Tokyo, Japan
Last Updated: 09/26/2026
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Found 15 publications
Breast Desmoid-Type Fibromatosis Mimicking Carcinoma on Imaging: A Case Report.
Journal: Surgical case reports
Published: March 17, 2026
Current Status and Challenges of BRCA1 and BRCA2 Genetic Testing for Hereditary Breast and Ovarian Cancer in Japan.
Journal: Cancer diagnosis & prognosis
Published: February 10, 2026
Small-Intestinal Metastasis from Breast Cancer Presenting with Gastrointestinal Bleeding: A Case Report.
Journal: Surgical case reports
Published: December 26, 2025
Clinical Outcomes and Prognostic Factors in Metastatic Triple-Negative Breast Cancer: A Real-World Data Analysis.
Journal: World journal of oncology
Published: November 19, 2025
Bridging across the pacific: overview of the 33rd annual meeting of the Japanese breast cancer society.
Journal: Breast cancer (Tokyo, Japan)
Published: October 26, 2025
Organ-Specific Clinicopathological Features That Are Associated With Post-Relapse Survival of Metastatic Breast Cancer in Japanese Women: A Multicenter Cohort Study.
Journal: World journal of oncology
Published: August 27, 2025
Hsa-miR-155-5p expression in primary breast tissue may have the potential for prediction of breast cancer brain recurrence: results from the multi-institutional exploratory cohort study.
Journal: Breast cancer research : BCR
Published: July 19, 2025
Securing blood in crisis: Lessons from Japan's earthquake disasters and evolving preparedness.
Journal: Vox sanguinis
Published: July 02, 2025
Successful Management of Occult Breast Cancer with a Background of Anti-Melanoma Differentiation-Associated Gene 5 Antibody-Positive Interstitial Pneumonia: A Case Report.
Journal: Surgical case reports
Published: January 29, 2025
Development of a deep learning-based automated diagnostic system (DLADS) for classifying mammographic lesions - a first large-scale multi-institutional clinical trial in Japan.
Journal: Breast cancer (Tokyo, Japan)
Published: January 21, 2025
Inter- and intra-observer variability of qualitative visual breast-composition assessment in mammography among Japanese physicians: a first multi-institutional observer performance study in Japan.
Journal: Breast cancer (Tokyo, Japan)
Published: January 24, 2024
Delayed Diagnosis and Prognostic Impact of Breast Cancer During the COVID-19 Pandemic.
Journal: Clinical breast cancer
Published: August 03, 2022
Last Updated: 09/26/2026