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National rectal cancer intensity-modulated radiotherapy (IMRT) guidance

Reference: 
BFCO(21)1
Date: 
2021
Date of next review: 
2024
Status: 
Current

With the use of intensity-modulated radiotherapy (IMRT) for rectal cancer increasing globally, this document provides practical guidance on the use of IMRT/VMAT radiotherapy for rectal cancer in the UK.

The guidance addresses the multiple considerations when introducing routine IMRT. These include:

  • Considerations for pre-treatment investigations
  • Patient preparation
  • Optimal delineation of gross tumour volume (GTV)/clinical target volume (CTV)/planning target volume (PTV)
  • Provision of a standard atlas for delineation of lymph nodes
  • Strategies for delivery of a simultaneous integrated boost (SIB), IMRT planning and patient set-up and treatment verification.
National rectal cancer intensity-modulated radiotherapy (IMRT) guidance PDF - 1.46 MB