How to combine all the segmented binary images in one figure

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Hi all, I have code below.
Anyone know how to combine all the segmented images in one figure?
clc
clear all
[spect map]=dicomread('i-131-phantom validation 04112019 256x256');
info = dicominfo('i-131-phantom validation 04112019 256x256');
%gp=info.SliceThickness;
spect=(squeeze(spect));%smooth3
aa=size(spect);aa=aa(3);
% NI KALAU VOLUME1 en amin prepapre 10:1
% BCKG 468 MAX 381
seedR1 = 111; seedC1 = 150; seedP1 = 88;
W1 = graydiffweight(spect, seedC1, seedR1, seedP1 , 'GrayDifferenceCutoff', 1000000);
thresh1 = 0.004349;
[BW1, D1] = imsegfmm(W1, seedC1, seedR1, seedP1, thresh1);
% figure, imshow3D(BW1)
T1 = regionprops('table', BW1,'Area','Centroid')
% NI KALAU VOLUME2 en amin prepapre 10:1
% BCKG 468 MAX 221
seedR2 = 135; seedC2 = 149; seedP2 = 88;
W2 = graydiffweight(spect, seedC2, seedR2, seedP2 , 'GrayDifferenceCutoff', 1000000);
thresh2 = 0.001399;
[BW2, D2] = imsegfmm(W2, seedC2, seedR2, seedP2, thresh2);
% figure, imshow3D(BW2)
T2 = regionprops('table', BW2,'Area','Centroid')
% NI KALAU VOLUME3 en amin prepapre 10:1
% BCKG 468 MAX 143
seedR3 = 147; seedC3 = 129; seedP3 = 88;
W3 = graydiffweight(spect, seedC3, seedR3, seedP3 , 'GrayDifferenceCutoff', 1000000);
thresh3 = 0.000319;
[BW3, D3] = imsegfmm(W3, seedC3, seedR3, seedP3, thresh3);
% figure, imshow3D(BW3)
T3 = regionprops('table', BW3,'Area','Centroid')
% NI KALAU VOLUME4 en amin prepapre 10:1
% BCKG 468 MAX 109
seedR4 = 135; seedC4 = 108; seedP4 = 88;
W4 = graydiffweight(spect, seedC4, seedR4, seedP4 , 'GrayDifferenceCutoff', 1000000);
thresh4 = 0.000091;
[BW4, D4] = imsegfmm(W4, seedC4, seedR4, seedP4, thresh4);
% figure, imshow3D(BW4)
T4 = regionprops('table', BW4,'Area','Centroid')
imshow3D(BW1, BW2, BW3,BW4)
But got error
Error using imshow3D
Too many input arguments.
If I did seperately, can. But I do not seperately.
This one is BW1
This one is BW2
This one is BW3
This one is BW4
Should be all the sphere in one figure as example below

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