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Radiotherapy has an established role in rectal and anal cancers. This chapter narrates the radiological anatomy of the rectum and anal canal, patterns of spread, and their imaging appearances. It also gives a concise account of the role of radiotherapy and radiological anatomy in aiding target volume delineation.

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Rectal and Anal Malignancies

  • 章节

  • 发表日期：

    2025年

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  • Elias Nerad,
  • Sara Upponi,
  • Sarah Smith,
  • Rashmi Jadon

摘要

Radiotherapy has an established role in rectal and anal cancers. This chapter narrates the radiological anatomy of the rectum and anal canal, patterns of spread, and their imaging appearances. It also gives a concise account of the role of radiotherapy and radiological anatomy in aiding target volume delineation.