# How to edit an imported segmentation?

**URL:** <https://discourse.slicer.org/t/how-to-edit-an-imported-segmentation/6890>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [May 20, 2019, 2:42pm UTC](https://discourse.slicer.org/t/how-to-edit-an-imported-segmentation/6890 "2019-05-20T14:42:17Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [May 23, 2019, 3:35am UTC](https://discourse.slicer.org/t/how-to-edit-an-imported-segmentation/6890/2 "2019-05-23T03:35:41Z")

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You need to select a master volume in order to edit a segmentation. Follow these instructions: [3D model to segmentation](https://discourse.slicer.org/t/3d-model-to-segmentation/5135/2)

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