Radiotherapy for Rectal Cancer: How Much is Enough?

Research output: Contribution to journalArticlepeer-review


Though resection has been the mainstay of treatment for nonmetastatic rectal cancer over the past century, radiation has become an increasingly integral component of care for locally advanced disease. Today, two predominant radiotherapy approaches-hyperfractionated chemoradiotherapy and short-course radiation-are widely utilized to reduce local recurrence and, in some cases, cure disease. Both have been incorporated into total neoadjuvant therapy (TNT) regimens and achieved excellent local control and superior complete response rates compared to chemoradiation alone. Additionally, initial results of watch and wait protocols utilizing either radiation modality have been promising. Yet, differences do exist; though short course is cheaper and more convenient for patients, recently published data may show superior complete response and local recurrence rates with chemoradiation. Ultimately, direct comparisons of short-course radiotherapy against chemoradiation within the TNT framework are needed to identify optimal radiation regimens in the treatment of locally advanced rectal cancer.

Original languageEnglish
JournalClinics in Colon and Rectal Surgery
StateAccepted/In press - 2023


  • chemoradiation
  • nonoperative management
  • radiation
  • radiotherapy
  • rectal cancer
  • total neoadjuvant therapy


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