What CT file format can be uploaded to 3DSlicer?

Operating system:
Slicer version:
Expected behavior:
Actual behavior:

All clinical scanners save CT volumes in DICOM format. Slicer can load these.

Slicer can also load image data from a wide range of other file formats - see complete list here: https://www.slicer.org/wiki/Documentation/Nightly/SlicerApplication/SupportedDataFormat