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Target volume contouring in the treatment planning of rectal cancer Yoshinori Ito 1 1Department of Radiation Oncology Showa University School of Medicine Keyword: 直腸癌 , 放射線治療計画 , 輪郭の囲み pp.1073-1082
Published Date 2023/11/10
DOI https://doi.org/10.18888/rp.0000002506
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Radiation therapy for rectal cancer has been increasing in Japan with the recommendation of preoperative chemoradiotherapy for locally advanced cases with high risk of local recurrence in Japanese guidelines and the development of treatments for early-stage cases. Recently 3D-conformal radiotherapy and intensity modulated radiotherapy has been usually used in the treatment of rectal cancer. Therefore, the target volume contouring is critical in the treatment planning. Several clinical trial groups such as RTOG create the consensus contouring atlas of elective clinical target volumes to keep the quality of radiotherapy in the setting of multi-institutional clinical trial. This article introduces the definitions of the target volume contouring of gross tumor, elective nodal regions, and organs at risk in the treatment planning of the rectal cancer with reference to the several reported guidelines of the clinical trial groups and societies of radiation oncology.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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