Beginner question: liver volumetry

Hey !
Thanks for the answer !

Just tried “liver” plugin and I still do have a problem.

I arrived on this screen by using the sample data :

BUT :
I still have a problem with volumetry.
I would like to know the volume of liver on either side of my resection line.

I can’t find a way to do it… If some one have an idea ?

Thanks a lot;

Thomas