Hi,
I found error of Fiji related nrrd file (maybe).
Open dcm file and then save as nrrd,
and re-opened this nrrd file and check Image>properties.
An original dicom file has (x,y,z)(0.9375000,0.9375000,3.0000000) “mm” Unit.
But, nrrd file has (x,y,z)(0.9375000,0.9375000,1.0000000).
mmm…