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A. Ram Chang
Researcher at Soonchunhyang University
Publications - 4
Citations - 88
A. Ram Chang is an academic researcher from Soonchunhyang University. The author has contributed to research in topics: Radiosurgery & Radiation treatment planning. The author has an hindex of 3, co-authored 4 publications receiving 47 citations.
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A phase 2 multicenter study of stereotactic body radiotherapy for hepatocellular carcinoma: Safety and efficacy.
Won Il Jang,Sun Hyun Bae,Mi-Sook Kim,Chul Han,Su Cheol Park,Sang Bum Kim,Eung Ho Cho,Chul Won Choi,Kyung-Su Kim,Sangyoun Hwang,Jin Ho Kim,A. Ram Chang,Younghee Park,Eun Seog Kim,Woo Chul Kim,Sunmi Jo,Hae Jin Park +16 more
TL;DR: The authors evaluated the safety and efficacy of SBRT for patients with HCC in a hepatitis B virus‐endemic area and found the treatment-related toxicity varies and has not been determined.
Journal ArticleDOI
A Survey of Stereotactic Body Radiotherapy in Korea.
Sun Hyun Bae,Mi Sook Kim,Won Il Jang,Chul Seung Kay,Woo Chul Kim,Eun Seog Kim,Jin Ho Kim,Jinhee Kim,Kwangmo Yang,Kyu Chan Lee,A. Ram Chang,Sunmi Jo +11 more
TL;DR: Investigation of the current status of stereotactic body radiotherapy in Korea finds that the lung and liver were the two most common sites for SBRT, and four-dimensional computed tomography was the most common method for planning CT.
Journal ArticleDOI
Practical patterns for stereotactic body radiotherapy to hepatocellular carcinoma in Korea: a survey of the Korean Stereotactic Radiosurgery Group
Sun Hyun Bae,Mi Sook Kim,Won Il Jang,Chul Seung Kay,Woo Chul Kim,Eun Seog Kim,Jin Ho Kim,Jinhee Kim,Kwangmo Yang,Kyu Chan Lee,A. Ram Chang,Sunmi Jo +11 more
TL;DR: There was diversity in the practice for stereotactic body radiotherapy to the liver lesion in hepatocellular carcinoma among radiation oncologists in Korea, and additional prospective studies are necessary to standardize the practice and establish Korea-specific practice guidelines.
Journal ArticleDOI
Quality assurance for a multicenter Phase II study of stereotactic ablative radiotherapy for hepatocellular carcinoma <= 5 cm: a planning dummy run
Sun Hyun Bae,Mi-Sook Kim,Won Il Jang,Kum Bae Kim,Kwang Hwan Cho,Woo Chul Kim,Chang Yeol Lee,Eun Seog Kim,Chul Won Choi,A. Ram Chang,Sunmi Jo,Jin-Young Kim +11 more
TL;DR: Dosimetric parameters showed acceptable compliance with the study protocol, however, the possibility of underdose to the planning target volume if the hepatocellular carcinoma lesion was located near organs at risk such as the heart.