# Breast treatment - using deformation tool

**URL:** <https://forum.sgrt.org/t/breast-treatment-using-deformation-tool/252>\
**Category:** SGRT - Best Practice & Applications\
**Created:** [February 3, 2025, 5:41pm UTC](https://forum.sgrt.org/t/breast-treatment-using-deformation-tool/252 "2025-02-03T17:41:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![julie\_wood](https://avatars.discourse-cdn.com/v4/letter/j/5f8ce5/32.png) [@julie\_wood](https://forum.sgrt.org/u/julie_wood)\
**Post date:** [February 3, 2025, 5:41pm UTC](https://forum.sgrt.org/t/breast-treatment-using-deformation-tool/252/1 "2025-02-03T17:41:02Z")

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We are currently having Align RT installed.

It seems most departments still perform a field light coverage check for breast treatments when using SGRT for set up. Has anyone replaced this with a check of the deformation tool? If the breast hasn’t changed shape then coverage should be fine?

regards

Julie

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**Author:** ![joshua\_naylor](https://avatars.discourse-cdn.com/v4/letter/j/c4cdca/32.png) [@joshua\_naylor](https://forum.sgrt.org/u/joshua_naylor)\
**Post date:** [February 19, 2025, 10:05am UTC](https://forum.sgrt.org/t/breast-treatment-using-deformation-tool/252/2 "2025-02-19T10:05:59Z")

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we stopped doing SSD check when introduced SGRT. Our procedures still have the rads do field light check just for splash (flash?! - external surface). The feeling is that it doesn’t add much with SGRT, and we also do an MV-kV pair at post oblique angle so the MV would show any issue too.