How to view image as axial?

Dear all,

I have image SPECTCTLD_EM001_DS.dcm as attached. when I open it, the view as longitidunal.

How to view as axial as example attached. ? Im using imshow3D function as attached.

%% Read main set data
clc
clear all
close all
[spect map]=dicomread('SPECTCTLD_EM001_DS.dcm');
spect=(squeeze(spect));%smooth3
aa=size(spect);aa=aa(3);
figure, imshow3D(spect)