The best replacement for imrt is proton therapy.

The best alternatives to imrt are rated as following:
★★★★★  proton therapy
★★★★★  igrt
★★★  cyberknife
★★  tomotherapy
★★  proton
★★  3dcrt
★★  3d conformal
★★  brachytherapy
★★  sbrt
★  vmat
★  ebrt
★  conventional radiation
★  impt
★  stereotactic
★  gamma knife
★  3d crt
★  proton beam
★  3d conformal radiotherapy
  external beam radiation
  3d conformal radiation therapy
  rapidarc
  prostatectomy
  conventional radiotherapy
  3d radiotherapy
  radiation therapy
  conformal
  3d conformal radiation

Your alternative for imrt is not listed? Suggest!
Speaking about imrt, one probably shouldn't forget about igrt.

Other search terms related to imrt and their ratings are:
★★★★★ igrt
★★★ radiation therapy
You have in mind a companion for imrt and it is not yet here? Propose!



Google Trends

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imrt
proton therapy
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