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Article
Outcomes of intracranial non-germinomatous germ cell tumors: a retrospective Asian multinational study on treatment strategies and prognostic factors
Non-germinomatous germ cell tumors (NGGCTs) are rare pediatric conditions. This multicenter study using Asian multinational patient data investigated treatment outcomes and prognostic factors for NGGCTs.
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Article
Prognostic value of the 21-gene recurrence score for regional recurrence in patients with estrogen receptor-positive breast cancer
To evaluate the prognostic value of the 21-gene recurrence score (RS) for regional recurrence (RR) in patients with estrogen receptor-positive breast cancer.
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Article
Risk stratification system for groups with a low, intermediate, and high risk of subsequent distant metastasis and death following isolated locoregional recurrence of breast cancer
This study aimed to identify prognostic factors for long-term outcomes among patients with isolated locoregional recurrence (ILRR) of breast cancer as their first failure event. Many prognostic tools have bee...
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Article
Malignant and borderline phyllodes tumors of the breast: a multicenter study of 362 patients (KROG 16-08)
To identify risk factors for local recurrence (LR) and investigate roles of adjuvant local therapy for malignant and borderline phyllodes tumors of the breast.
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Article
Chest wall recurrence in pT1-2N0-1 breast cancer patients after mastectomy without radiotherapy
In correlation with the nodal status in the era of modern radiotherapy, the chest wall recurrence (CWR) rate was investigated in pT1-2N0-1 breast cancer patients after a mastectomy without post-mastectomy radi...
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Article
Impact of pathologic diagnosis of internal mammary lymph node metastasis in clinical N2b and N3b breast cancer patients
To analyze the prognostic role of pathologic confirmation of internal mammary lymph nodes (IMNs) for breast cancer patients who received neoadjuvant chemotherapy.
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Article
Dosimetric optimization of a truncated conical-shaped transmission target for electronic brachytherapy X-ray source: A Monte Carlo study
The purpose of this study is to determine the optimal target configurations to improve the uniformity of dose distribution for the electronic brachytherapy source. A truncated conical-shaped transmission type ...
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Article
Recurrence outcomes after omission of postoperative radiotherapy following breast-conserving surgery for ductal carcinoma in situ of the breast: a multicenter, retrospective study in Korea (KROG 16-02)
To evaluate the loco-regional recurrence (LRR) rate after breast-conserving surgery without postoperative radiotherapy (RT) for ductal carcinoma in situ (DCIS) of the breast.
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Article
Open AccessCardiac dose reduction during tangential breast irradiation using deep inspiration breath hold: a dose comparison study based on deformable image registration
Radiation therapy (RT) for a left-sided breast cancer often involves some incidental exposure of the heart and increase in the rate of major coronary events. One method to reduce the dose to the heart during a...
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Article
Direct plan comparison of RapidArc and CyberKnife for spine stereotactic body radiation therapy
We compared the treatment planning performance of RapidArc (RA) vs. CyberKnife (CK) for spinal stereotactic body radiation therapy (SBRT). Ten patients with spinal lesions who had been treated with CK were re-...
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Article
Open AccessA dosimetric comparison of volumetric modulated arc therapy (VMAT) and non-coplanar intensity modulated radiotherapy (IMRT) for nasal cavity and paranasal sinus cancer
To compare dosimetric parameters of volumetric modulated arc therapy (VMAT) and non-coplanar intensity modulated radiotherapy (IMRT) for nasal cavity and paranasal sinus cancer with regard to the coverage of p...
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Article
Influence of boost radiotherapy in patients with ductal carcinoma in situ breast cancer: a multicenter, retrospective study in Korea (KROG 11-04)
To estimate the effect of boost radiotherapy on local recurrence-free survival (LRFS) in patients with ductal carcinoma in situ (DCIS) breast cancer. We included patients from nine institutions who met the fol...
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Article
Erratum to: Retrospective analysis of treatment outcome of pediatric ependymomas in Korea: analysis of Korean multi-institutional data
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Article
Open AccessRadiation-induced liver disease after stereotactic body radiotherapy for small hepatocellular carcinoma: clinical and dose-volumetric parameters
To investigate the clinical and dose–volumetric parameters that predict the risk of radiation-induced liver disease (RILD) for patients with small, unresectable hepatocellular carcinoma (HCC) treated with ster...
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Article
Clinical features and outcome of leptomeningeal metastasis in patients with breast cancer: a single center experience
Leptomeningeal metastasis (LM) is one of the major problems in the management of metastatic breast cancer; typically, LM has a devastating prognosis and often represents a terminal event. The present study ana...
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Article
Retrospective analysis of treatment outcome of pediatric ependymomas in Korea: analysis of Korean multi-institutional data
We analyzed the treatment outcomes of intracranial ependymomas in Korean children aged <18 years. Data for 96 patients were collected from five hospitals. Survival rates were calculated using the Kaplan–Meier ...
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Article
Open AccessThe application of PET-CT to post-mastectomy regional radiation therapy using a deformable image registration
To evaluate the utility of the preoperative PET-CT using deformable image registration (DIR) in the treatment of patients with locally advanced breast cancer and to find appropriate radiotherapy technique for ...
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Article
Clinical features and course of brain metastases in triple-negative breast cancer: comparison with human epidermal growth factor receptor 2-positive and other type at single institution in Korea
The incidences and clinical aggressiveness of intracranial metastases have not been as well characterized in patients with triple-negative (TN) breast cancer as in patients with human epidermal growth factor 2...
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Chapter and Conference Paper
Algorithm Development of Designing a Patient-Specific Block for MC-Based Dose Calculation in Electron Beam Therapy for Breast Cancer
In order to investigate accurate dose to heart and lung in electron beam therapy for breast cancer, an algorithm for designing patient-specific electron block was developed. A voxel phantom, consisting of 5×5×...
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Chapter and Conference Paper
Identification of Neutron-Induced Isotopes in Varian LINAC System
To investigate the neutron-induced radioactivity, we have measured and analyzed the energy spectrum of decay gammas in external radiotherapy system. The measurements has performed with two of Clinac 21EX and C...
