# Measure tumor and edema volume

**URL:** <https://discourse.slicer.org/t/measure-tumor-and-edema-volume/2290>\
**Category:** Support\
**Created:** [March 11, 2018, 11:53pm UTC](https://discourse.slicer.org/t/measure-tumor-and-edema-volume/2290 "2018-03-11T23:53:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![joaomarto](https://avatars.discourse-cdn.com/v4/letter/j/a587f6/32.png) [@joaomarto](https://discourse.slicer.org/u/joaomarto)\
**Post date:** [March 11, 2018, 11:53pm UTC](https://discourse.slicer.org/t/measure-tumor-and-edema-volume/2290/1 "2018-03-11T23:53:27Z")

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Hello,

I am using for the first time the 3D slicer software and I am having difficulty in calculating cerebral tumors volumes. Also I would link to measure the surrounding edema volume.

What is the best way to do it?

Thank you in advance.

Kind Regards,

João Marto

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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:** [March 12, 2018, 5:42am UTC](https://discourse.slicer.org/t/measure-tumor-and-edema-volume/2290/2 "2018-03-12T05:42:25Z")

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You can segment the tumor and edema using Segment editor module (I would recommend trying Grow from seeds effect), then compute volume using Segment statistics module.