Dooreh Kim

Abstract Adjuvant radiotherapy (RT) is standard for breast cancer, but its impact on skin cancer risk, especially in Asian populations, remains unclear despite advanced techniques. This study aimed to assess skin cancer incidence following RT in a large South Korean cohort.

Abstract : Endocrine therapy is the mainstay treatment for hormone receptor-positive ductal carcinoma in situ. The aim of this study was to examine the long-term secondary malignancy risk of tamoxifen therapy. The data of patients diagnosed with breast cancer between January 2007 and December 2015 were retrieved from the database of the Health Insurance Review and Assessment Service of South Korea. The International Classification of Diseases, 10th revision, was used to track all-site cancers.