KMID : 0362919880060010055
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Journal of the Korean Society for Therapeutic Radiology and Oncology 1988 Volume.6 No. 1 p.55 ~ p.61
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Residual, Unresectable and Recurrent Rectal Cancer: Role of External Radiation Therapy in 46 Patients
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Gil Hack-Joon
Oh Yoon-Kyeong Yoon Sei-Chul Shinn Kyung-Sub Bahk Yong-Whee
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Abstract
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Fifty patients with residual, unresectable or recurrent rectal cancer were treated with external irradiation using a 6-MV linear accelerator at the Division of Therapeutic Radiology, Department of Radiology, Kangnam St. Mart¡¯s Hospital, Catholic University Medical College during the period of April 1983 to December 1987.
This paper describes the results of a retrospective analysis of the results of external irradiation for the residual, unresectabel and recurrent rectal cancer in 46 patients. Four patients were lost to follow-up. Of the 46 patients, 18(39%) presented with unresectable primary lesions and 28 (61%) with residual or recurrent rectal cancer.
In 93%, the pathologic diagnosis was adenocarcinoma. Resonse to irradiation was observed in 22 (73%) out of 30 patients who were treated for pain, 12 (86%) out of 14 patients who were treated for mass, and 17 (77%) out of 22 patients who were treated for bloody discharge. The actuarial postoperative 2-year and 3-year survival rates in recurrent and unresectable patients were 43% and 22%, respectively. However, the post-RT 2-year survival rate was 13% (6/46).
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KEYWORD
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Residual, Unresectable and Recurrent Rectal cancer, External radiotherapy
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