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Radiation treatment for rectal cancer

B J Cummings1

  • 1Department of Radiation Oncology, Princess Margaret Hospital, University of Toronto, Ontario, Canada.

World Journal of Surgery
|March 1, 1995
PubMed
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Radiation therapy is a key treatment for rectal adenocarcinoma, effectively managing primary tumors and reducing progression risk when combined with surgery and chemotherapy. While it offers palliation for advanced cases, cure by irradiation alone is uncommon.

Area of Science:

  • Oncology
  • Radiation Oncology
  • Surgical Oncology

Background:

  • Radiation therapy is a cornerstone in managing rectal adenocarcinoma.
  • It is frequently integrated into multimodality treatment protocols.

Purpose of the Study:

  • To review the role and efficacy of radiation therapy in rectal cancer management.
  • To explore its application in primary, recurrent, and metastatic settings.

Main Methods:

  • Review of external beam radiation therapy for bulky primary rectal cancers.
  • Evaluation of endorectal irradiation for superficial distal rectal cancers.
  • Analysis of combined-modality approaches including chemotherapy and surgery.

Main Results:

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  • External beam radiation can eradicate approximately one-third of mobile primary rectal cancers.
  • Endorectal irradiation shows high effectiveness for selected superficial distal rectal cancers.
  • Combined irradiation with chemotherapy and surgery reduces tumor progression risk and preserves anorectal function.

    • Conclusions:

    • Radiation therapy is a vital component in rectal cancer treatment, offering curative potential for some and palliative benefits for others.
    • Its effectiveness is enhanced when used in conjunction with chemotherapy and/or surgery.
    • While cure is rare in recurrent or metastatic disease, radiation provides significant palliation.