# Volume Rendering Compressed in Scale

**URL:** <https://discourse.slicer.org/t/volume-rendering-compressed-in-scale/6446>\
**Category:** Support\
**Created:** [April 9, 2019, 3:32pm UTC](https://discourse.slicer.org/t/volume-rendering-compressed-in-scale/6446 "2019-04-09T15:32:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Nicholas.jacobson](https://avatars.discourse-cdn.com/v4/letter/n/ba8739/32.png) [@Nicholas.jacobson](https://discourse.slicer.org/u/Nicholas.jacobson)\
**Post date:** [April 9, 2019, 3:32pm UTC](https://discourse.slicer.org/t/volume-rendering-compressed-in-scale/6446/1 "2019-04-09T15:32:38Z")

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Hi all,  
I am getting an error when loading a DICOM of CTA scans. The error asks to examine in Advanced Mode. The images in load well but the volume rendering appears to be compressed in the z-direction by about 3/4. Is there a way to stretch the volume rendering?

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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:** [April 9, 2019, 6:05pm UTC](https://discourse.slicer.org/t/volume-rendering-compressed-in-scale/6446/2 "2019-04-09T18:05:02Z")

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See this note in the DICOM FAQ: [https://www.slicer.org/wiki/Documentation/Nightly/FAQ/DICOM#Image\_is\_stretched\_or\_compressed\_along\_one\_axis](https://www.slicer.org/wiki/Documentation/Nightly/FAQ/DICOM#Image_is_stretched_or_compressed_along_one_axis)