Original Articles Adjuvant Pembrolizumab in Patients with Stage IIIA/N2 Non-Small Cell Lung Cancer Completely Resected after Neoadjuvant Concurrent Chemoradiation: A Prospective, Open-Label, Single-Arm, Phase 2 Trial

Junghoon Shin, Sehhoon Park, Kyung Hwan Kim, Eui-Cheol Shin, Hyun Ae Jung, Jong Ho Cho, Jong-Mu Sun, Se-Hoon Lee, Yong Soo Choi, Jin Seok Ahn, Jhingook Kim, Keunchil Park, Young Mog Shim, Hong Kwan Kim, Jae Myoung Noh, Yong Chan Ahn, Hongryull Pyo, Myung-Ju Ahn

J Korean Cancer Assoc.

The Clinical Efficacy of Colorectal Cancer Patients with Pulmonary Oligometastases by Sterotactic Body Ablative Radiotherapy: A Meta-Analysis

Jae-Uk Jeong, Chai Hong Rim, Gyu Sang Yoo, Won Kyung Cho, Eui Kyu Chie, Yong Chan Ahn, Jong Hoon Lee

J Korean Cancer Assoc.

General Radiation Oncologists’ Perspectives on Oligometastatic Disease: A Korean Survey Study

Chai Hong Rim, Won Kyung Cho, Jong Hoon Lee, Young Seok Kim, Yang-Gun Suh, Kyung Hwan Kim, Ah Ram Chang, Eui Kyu Chie, Yong Chan Ahn

Cancer Res Treat. 2024;56(2):414-421.

Editorial Barriers in Oligometastasis Care in Korea: Radiation Oncologists’ Perspectives

Eui Kyu Chie, Chai Hong Rim, Won Kyung Cho, Yong Chan Ahn

Cancer Res Treat. 2023;55(4):1063-1064.

Original Articles
Gastrointestinal cancer Differential Perspectives by Specialty on Oligometastatic Colorectal Cancer: A Korean Oligometastasis Working Group’s Comparative Survey Study

Won Kyung Cho, Gyu Sang Yoo, Chai Hong Rim, Jae-Uk Jeong, Eui Kyu Chie, Yong Chan Ahn, Hyeon-Min Cho, Jun Won Um, Yang-Gun Suh, Ah Ram Chang, Jong Hoon Lee

Cancer Res Treat. 2023;55(4):1281-1290.

Head and Neck cancer Phase II Trial of Combined Durvalumab Plus Tremelimumab with Proton Therapy for Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma

Hana Kim, Sehhoon Park, Hyun Ae Jung, Se-Hoon Lee, Keunchil Park, Yong Chan Ahn, Dongryul Oh, Myung-Ju Ahn

Cancer Res Treat. 2023;55(4):1104-1112.

Head and Neck cancer Outcomes of Salvage Therapy for Oropharyngeal Cancer Recurrence Following Upfront Radiation Therapy and Prognostic Factors

Nayeon Choi, Hack Jung Kim, Heejun Yi, Heejung Kim, Tae Hwan Kim, Han-Sin Jeong, Young-Ik Son, Chung-Hwan Baek, Dongryul Oh, Yong Chan Ahn, Man Ki Chung

Cancer Res Treat. 2023;55(4):1123-1133.

Lung and Thoracic cancer Sublobar Resection versus Stereotactic Body Radiation Therapy for Clinical Stage I Non–Small Cell Lung Cancer: A Study Using Data from the Korean Nationwide Lung Cancer Registry

Jeonghee Yun, Jong Ho Cho, Tae Hee Hong, Kyungmi Yang, Yong Chan Ahn, Hong Kwan Kim

Cancer Res Treat. 2023;55(4):1171-1180.

Review Articles Metastasis-Directed Local Therapy of Hepatic Oligometastasis from Colorectal Cancer and Future Perspective in Radiation Therapy

Gyu Sang Yoo, Chai Hong Rim, Won Kyung Cho, Jae-Uk Jeong, Eui Kyu Chie, Hyeon-Min Cho, Jun Won Um, Yong Chan Ahn, Jong Hoon Lee

Cancer Res Treat. 2023;55(3):707-719.

Original Articles
General Recent Trends of Medical Expenses Associated with Radiation Therapy in Korea Based on HIRA Big Data

Jeong Eun Lee, Kyungmi Yang, Yong Chan Ahn, Won Park, Seung Jae Huh

Cancer Res Treat. 2023;55(3):758-765.

Editorial Oligometastasis: More Lessons to Be Learned

Kyung Hwan Kim, Yong Chan Ahn

Cancer Res Treat. 2023;55(1):1-4.

Original Articles
Lung and Thoracic cancer The Incidence and Risk Factors of Chronic Pulmonary Infection after Radiotherapy in Patients with Lung Cancer

Yeonseok Choi, Jae Myoung Noh, Sun Hye Shin, Kyungjong Lee, Sang-Won Um, Hojoong Kim, Hongryull Pyo, Yong Chan Ahn, Byeong-Ho Jeong

Cancer Res Treat. 2023;55(3):804-813.

General Role of Local Treatment for Oligometastasis: A Comparability-Based Meta-Analysis

Chai Hong Rim, Won Kyung Cho, Jong Hoon Lee, Young Seok Kim, Yang-Gun Suh, Kyung Hwan Kim, Eui Kyu Chie, Yong Chan Ahn

Cancer Res Treat. 2022;54(4):953-969.

Editorial The Rise of Particle Beam Therapy: Are We Ready for The Potential Game-Changer?

Eui Kyu Chie, Yong Chan Ahn

Cancer Res Treat. 2021;53(3):609-610.

Original Articles
Head and Neck cancer Re-irradiation with Moderate Hypo-fractionation Using Intensity Modulated Photon or Proton Radiation Therapy in Locally Recurrent Squamous Cell Carcinoma of Nasopharynx

Heerim Nam, Yong Chan Ahn, Kyungmi Yang, Dongryul Oh, Jae Myoung Noh

Cancer Res Treat. 2022;54(1):96-108.

Head and Neck cancer Oncological and Functional Outcomes of Larynx-preserving Surgery for Hypopharyngeal Cancer: A Comparison with Definitive Radiation-based Treatment

Donghyeok Kim, Nalee Kim, Sungmin Koh, Man Ki Chung, Young-Ik Son, Dongryul Oh, Han-Sin Jeong, Yong Chan Ahn

Cancer Res Treat. 2022;54(1):84-95.

Head/neck cancer Development of a Tongue Immobilization Device Using a 3D Printer for Intensity Modulated Radiation Therapy of Nasopharyngeal Cancer Patients

Sang Gyu Ju, Yong Chan Ahn, Yeong-bi Kim, Seung Gyu Park, Yoo-mi Choi, Cho Hee Na, Chae-Seon Hong, Dongryul Oh, Dong Yeol Kwon, Cheol Chong Kim, Dong Hyeon Kim

Cancer Res Treat. 2021;53(1):45-54.

Dummy Run of Quality Assurance Program before Prospective Study of Hippocampus-Sparing Whole-Brain Radiotherapy and Simultaneous Integrated Boost for Multiple Brain Metastases from Non-small Cell Lung Cancer: Korean Radiation Oncology Group (KROG) 17-06 Study

Eunah Chung, Jae Myoung Noh, Kyu Chan Lee, Jin Hee Kim, Weon Kuu Chung, Yang-Gun Suh, Jung Ae Lee, Ki Ho Seol, Hong Gyun Wu, Yeon Sil Kim, O Kyu Noh, Jae Won Park, Dong Soo Lee, Jihae Lee, Young Suk Kim, Woo-Yoon Park, Min Kyu Kang, Sunmi Jo, Yong Chan Ahn

Cancer Res Treat. 2019;51(3):1001-1010.

Salvage Concurrent Chemo-radiation Therapy for Loco-regional Recurrence Following Curative Surgery of Non-small Cell Lung Cancer

Kyung Hwa Lee, Yong Chan Ahn, Hongryull Pyo, Jae Myoung Noh, Seung Gyu Park, Tae Gyu Kim, Eonju Lee, Heerim Nam, Hyebin Lee, Jong-Mu Sun, Jin Seok Ahn, Myung-Ju Ahn, Keunchil Park

Cancer Res Treat. 2019;51(2):769-776.

Feasibility of Selective Neck Irradiation with Lower Elective Radiation Dose in Treating Nasopharynx Cancer Patients

Won Kyung Cho, Dongryul Oh, Eonju Lee, Tae Gyu Kim, Hyebin Lee, Heerim Nam, Jae Myoung Noh, Yong Chan Ahn

Cancer Res Treat. 2019;51(2):603-610.

Radiation Therapy Outcome and Clinical Features of Duodenal-Type Follicular Lymphoma

Hansang Lee, Dongryul Oh, Kyungmi Yang, Young Hyeh Ko, Yong Chan Ahn, Won Seog Kim, Seok Jin Kim

Cancer Res Treat. 2019;51(2):547-555.

EGFR Mutation Is Associated with Short Progression-Free Survival in Patients with Stage III Non-squamous Cell Lung Cancer Treated with Concurrent Chemoradiotherapy

Song Ee Park, Jae Myoung Noh, You Jin Kim, Han Sang Lee, Jang Ho Cho, Sung Won Lim, Yong Chan Ahn, Hongryull Pyo, Yoon-La Choi, Joungho Han, Jong-Mu Sun, Se Hoon Lee, Jin Seok Ahn, Keunchil Park, Myung-Ju Ahn

Cancer Res Treat. 2019;51(2):493-501.

The Effect of Hospital Case Volume on Clinical Outcomes in Patients with Nasopharyngeal Carcinoma: A Multi-institutional Retrospective Analysis (KROG-1106)

Boram Ha, Kwan Ho Cho, Sung Ho Moon, Chang-Geol Lee, Ki Chang Keum, Yeon-Sil Kim, Hong-Gyun Wu, Jin Ho Kim, Yong Chan Ahn, Dongryul Oh, Jae Myoung Noh, Jong Hoon Lee, Sung Hwan Kim, Won Taek Kim, Young-Taek Oh, Min Kyu Kang, Jin Hee Kim, Ji-Yoon Kim, Moon-June Cho, Chul Seoung Kay, Jin Hwa Choi

Cancer Res Treat. 2019;51(1):12-23.

Low-Dose Radiation Therapy for Primary Conjunctival Marginal Zone B-Cell Lymphoma

Ga-In Lee, Dongryul Oh, Won Seog Kim, Seok Jin Kim, Young Hyeh Ko, Kyung In Woo, Yoon-Duck Kim, Yong Chan Ahn

Cancer Res Treat. 2018;50(2):575-581.

Comparison of the Clinical Outcomes of Patients with Squamous Cell Carcinoma of the Tonsil Receiving Postoperative Ipsilateral Versus Bilateral Neck Radiotherapy: A Propensity Score Matching Analysis (KROG 11-07)

Youngkyong Kim, Kwan Ho Cho, Sung Ho Moon, Chang Geol Lee, Ki Chang Keum, Sang-wook Lee, Yong Chan Ahn, Dongryul Oh, Yeon-Sil Kim, Yong Kyun Won, Hong-Gyun Wu, J. Hun Hah, Young-Taek Oh

Cancer Res Treat. 2017;49(4):1097-1105.

Role of Adjuvant Thoracic Radiation Therapy and Full Dose Chemotherapy in pN2 Non-small Cell Lung Cancer: Elucidation Based on Single Institute Experience

Hyojung Park, Dongryul Oh, Yong Chan Ahn, Hongryull Pyo, Jae Myung Noh, Jong-Mu Sun, Jin Seok Ahn, Myung-Ju Ahn, Keunchil Park, Hong Kwan Kim, Yong Soo Choi, Jhingook Kim, Jae Ill Zo, Young Mog Shim

Cancer Res Treat. 2017;49(4):880-889.

Survey of the Patterns of Using Stereotactic Ablative Radiotherapy for Early-Stage Non-small Cell Lung Cancer in Korea

Sanghyuk Song, Ji Hyun Chang, Hak Jae Kim, Yeon Sil Kim, Jin Hee Kim, Yong Chan Ahn, Jae-Sung Kim, Si Yeol Song, Sung Ho Moon, Moon June Cho, Seon Min Youn

Cancer Res Treat. 2017;49(3):688-694.

Radiation Therapy Alone in cT1-3N0 Non-small Cell Lung Cancer Patients Who Are Unfit for Surgical Resection or Stereotactic Radiation Therapy: Comparison of Risk-Adaptive Dose Schedules

Won Kyung Cho, Jae Myoung Noh, Yong Chan Ahn, Dongryul Oh, Hongryull Pyo

Cancer Res Treat. 2016;48(4):1187-1195.

Erratum ERRATUM: Role of Chemotherapy in Stage II Nasopharyngeal Carcinoma Treated with Curative Radiotherapy

Min Kyu Kang, Dongryul Oh, Kwan Ho Cho, Sung Ho Moon, Hong-Gyun Wu, Dae-Seog Heo, Yong Chan Ahn, Keunchil Park, Hyo Jung Park, Jun Su Park, Ki Chang Keum, Jihye Cha, Jun Won Kim, Yeon-Sil Kim, Jin Hyoung Kang, Young-Taek Oh, Ji-Yoon Kim, Sung Hwan Kim, Jin-Hee Kim, Chang Geol Lee

Cancer Res Treat. 2016;48(1):425-425.

Original Articles The Role of Neoadjuvant Chemotherapy in the Treatment of Nasopharyngeal Carcinoma: A Multi-institutional Retrospective Study (KROG 11-06) Using Propensity Score Matching Analysis

Jin Ho Song, Hong-Gyun Wu, Bhum Suk Keam, Jeong Hun Hah, Yong Chan Ahn, Dongryul Oh, Jae Myoung Noh, Hyo Jung Park, Chang Geol Lee, Ki Chang Keum, Jihye Cha, Kwan Ho Cho, Sung Ho Moon, Ji-Yoon Kim, Woong-Ki Chung, Young Taek Oh, Won Taek Kim, Moon-June Cho, Chul Seung Kay, Yeon-Sil Kim

Cancer Res Treat. 2016;48(3):917-927.

Variation in Practice Patterns of Korean Radiation Oncologists for Spine Metastasis between 2009 and 2014

Jeong Il Yu, Hee Chul Park, Yong Chan Ahn, Yoonsun Chung, Woong Sub Koom, Si Yeol Song

Cancer Res Treat. 2016;48(3):1102-1109.

Association between PD-L1 and HPV Status and the Prognostic Value of PD-L1 in Oropharyngeal Squamous Cell Carcinoma

Hae Su Kim, Ji Yun Lee, Sung Hee Lim, Keunchil Park, Jong-Mu Sun, Young Hyeh Ko, Chung-Hwan Baek, Young-ik Son, Han Sin Jeong, Yong Chan Ahn, Min-Young Lee, Mineui Hong, Myung-Ju Ahn

Cancer Res Treat. 2016;48(2):527-536.

Tumor Volume Reduction Rate during Adaptive Radiation Therapy as a Prognosticator for Nasopharyngeal Cancer

Hyebin Lee, Yong Chan Ahn, Dongryul Oh, Heerim Nam, Jae Myoung Noh, Su Yeon Park

Cancer Res Treat. 2016;48(2):537-545.

Carotid-Sparing TomoHelical 3-Dimensional Conformal Radiotherapy for Early Glottic Cancer

Chae-Seon Hong, Dongryul Oh, Sang Gyu Ju, Yong Chan Ahn, Jae Myoung Noh, Kwangzoo Chung, Jin Sung Kim, Tae-Suk Suh

Cancer Res Treat. 2016;48(1):63-70.

Role of Chemotherapy in Stage II Nasopharyngeal Carcinoma Treated with Curative Radiotherapy

Min Kyu Kang, Dongryul Oh, Kwan Ho Cho, Sung Ho Moon, Hong-Gyun Wu, Dae-Seog Heo, Yong Chan Ahn, Keunchil Park, Hyo Jung Park, Jun Su Park, Ki Chang Keum, Jihye Cha, Jun Won Kim, Yeon-Sil Kim, Jin Hyoung Kang, Young-Taek Oh, Ji-Yoon Kim, Sung Hwan Kim, Jin-Hee Kim, Chang Geol Lee

Cancer Res Treat. 2015;47(4):871-878.

Definitive Bimodality Concurrent Chemoradiotherapy in Patients with Inoperable N2-positive Stage IIIA Non-small Cell Lung Cancer

Jae Myoung Noh, Yong Chan Ahn, Hyebin Lee, Hongryull Pyo, BoKyong Kim, Dongryul Oh, Hyojung Park, Eonju Lee, Keunchil Park, Jin Seok Ahn, Myung-Ju Ahn, Jong-Mu Sun

Cancer Res Treat. 2015;47(4):645-652.

Effect of Radiation Therapy Techniques on Outcome in N3-positive IIIB Non-small Cell Lung Cancer Treated with Concurrent Chemoradiotherapy

Jae Myoung Noh, Jin Man Kim, Yong Chan Ahn, Hongryull Pyo, BoKyong Kim, Dongryul Oh, Sang Gyu Ju, Jin Sung Kim, Jung Suk Shin, Chae-Seon Hong, Hyojung Park, Eonju Lee

Cancer Res Treat. 2016;48(1):106-114.

Dosimetric and Clinical Influence of 3D Versus 2D Planning in Postoperative Radiation Therapy for Gastric Cancer

Jung Ae Lee, Yong Chan Ahn, Do Hoon Lim, Hee Chul Park, Margarita S. Asranbaeva

Cancer Res Treat. 2015;47(4):727-737.

Potential Role of Adjuvant Radiation Therapy in Cervical Thymic Neoplasm Involving Thyroid Gland or Neck

Jae Myoung Noh, Sang Yun Ha, Yong Chan Ahn, Dongryul Oh, Seung Won Seol, Young Lyun Oh, Joungho Han

Cancer Res Treat. 2015;47(3):436-440.

Impact on Loco-regional Control of Radiochemotherapeutic Sequence and Time to Initiation of Adjuvant Treatment in Stage II/III Rectal Cancer Patients Treated with Postoperative Concurrent Radiochemotherapy

Haeyoung Kim, Eui Kyu Chie, Yong Chan Ahn, Kyubo Kim, Won Park, Won Sup Yoon, Seung Jae Huh, Sung W. Ha

Cancer Res Treat. 2014;46(2):148-157.

Fractionated Stereotactic Radiation Therapy for Intracranial Malignant Tumor: Preliminary Results of Clinical Application

Dae Young Kim, Yong Chan Ahn, Seung Jae Huh, Dong Rak Choi, Jung Il Lee, Jong Hyun Kim, Hyung Jin Shin, Do Hoon Lim, Hong Gyun Wu

J Korean Cancer Assoc. 1998;30(3):583-590.

Limb - Conserving Surgery and Interstitial Brachytherapy Plus External Radiation Therapy in Extremity Soft Tissue Sarcoma

Yong Chan Ahn, Do Hoon Lim, Jai Gon Seo, Moon Kyung Kim, Hong Gyun Wu, Dae Young Kim, Seung Jae Huh

J Korean Cancer Assoc. 1998;30(3):599-607.

p 53 Expression in Non - Small Cell Lung Cancer: Its relationship to the clinical prognostic factor and smoking history

Moon Kyung Kim, Han Kyeom Kim, In Sun Kim, Joung Ho Han, Seung Jae Huh, Yong Chan Ahn, Dae Yong Kim, Young Mok Shim

J Korean Cancer Assoc. 1999;31(6):1219-1226.

Stereotactic Radiotherapy for the Treatment of Brain Metastases

Dae Yong Kim, Yong Chan Ahn, Seung Jae Huh, Jung Il Lee, Do Hyun Nam, Seung Chyul Hong, Hyung Jin Shin, Kwan Park, Jong Hyun Kim

J Korean Cancer Assoc. 2000;32(1):148-155.

Preliminary Results of Postoperative Radiotherapy after Breast Conserving Surgery in Early Breast Cancer

Seung Hee Chang, Seung Jae Huh, Jung Hyun Yang, Do Hoon Lim, Seok Jin Nam, Sung Soo Yoon, Yong Chan Ahn, Dae Yong Kim, Suk Won Park, Moon Kyung Kim

J Korean Cancer Assoc. 2000;32(4):775-782.

Dose-Response Relationship of Radiotherapy for Locally Advanced Hepatocellular Carcinoma

Dae Yong Kim, Joon Hyoek Lee, Kwang Cheol Koh, Seung Woon Paik, Yong Chan Ahn, Seung Jae Huh, Inhwan J Yeo, Suk Won Park, Seung Hee Chang

J Korean Cancer Assoc. 2000;32(5):918-924.

Stereotactic Radiosurgery and Fractionated Stereotactic Radiotherapy for Intracranial Schwannoma

Dae Yong Kim, Yong Chan Ahn, Jung Il Lee, Do Hyun Nam, Jeong Eun Lee, Do Hoon Lim, Inhwan J Yeo, Seung Jae Huh, Young Joo Noh, Hyung Jin Shin, Kwan Park, Jong Hyun Kim

J Korean Cancer Assoc. 2001;33(1):27-33.

Combined Chemotherapy and Radiotherapy for Primary CNS Lymphoma

Jeong Eun Lee, Dae Yong Kim, Yong Chan Ahn, Do Hoon Lim, Seung Jae Huh, Seong Soo Shin, Won Seok Kim, Won Ki Kang, Do Hyun Nam, Jung Il Lee, Jong Hyun Kim

Cancer Res Treat. 2001;33(5):398-403.

High Dose Radiation Therapy Concurrent with Chemotherapy in Locally Advanced Nasopharynx Cancer

Min Kyu Kang, Yong Chan Ahn, Won Park, Keunchil Park, Chung Hwan Baek, Young Ik Son, Jeong Eun Lee, Young Je Park, Hee Rim Nam, Kyoung Ju Kim, Do Hoon Lim, Seung Jae Huh

Cancer Res Treat. 2003;35(5):391-399.

The Relation between Histopathologic Findings on Surgical Specimen and Outcomes in Patients with N2 Positive Stage IIIA Non-Small Cell Lung Cancer Receiving Preoperative Concurrent Radiochemotherapy and Surgery

Bo Kyong Kim, Kyoung Ju Kim, Yong Chan Ahn, Do Hoon Lim, Won Park, Joungho Han, Keunchil Park, Kwan Min Kim, Jhingook Kim, Young Mog Shim

Cancer Res Treat. 2003;35(6):497-501.

Radical Radiotherapy for Locally Advanced Cancer of Uterine Cervix

Jeung Eun Lee, Seung Jae Huh, Won Park, Do Hoon Lim, Yong Chan Ahn, Chang Soo Park, Byoung Gie Kim, Duk Soo Bae, Je Ho Lee, Chong Taik Park, Tae Jin Kim, Kyung Taek Lim, Hwan Wook Chung, Ki Heon Lee, Jae Uk Shim

Cancer Res Treat. 2004;36(4):222-227.

Treatment Outcome of Limited Stage Hodgkin's Disease

Jung Hun Kang, Yong Chan Ahn, Won Seog Kim, Won Ki Kang

Cancer Res Treat. 2005;37(1):31-36.

Is There a Role of Postoperative Radiation Therapy in Completely Resected Stage I/II Thymic Epithelial Tumor?

Dongryul Oh, Yong Chan Ahn, Kwhanmien Kim, Jhingook Kim, Young Mog Shim, Jungho Han

Cancer Res Treat. 2012;44(3):166-172.

Response Evaluation after Neoadjuvant Chemoradiation by Positron Emission Tomography-Computed Tomography for Esophageal Squamous Cell Carcinoma

Joon Suk Park, Joon Young Choi, Seung Hwan Moon, Yong Chan Ahn, Jeeyun Lee, Dohun Kim, Kwhanmien Kim, Young Mog Shim

Cancer Res Treat. 2013;45(1):22-30.