Fusion MRI and PET

,

Hello? i’m new user ) I have problems )) I have mri dicom (pelvis) and PET/CT FDG-psma scans I need to fuse T2 iso with PET images, and that save this to dicom for US-navigation; i used landmark registration, and i saw nice fusion images, but i can’t save that: how i can save my fusion images to dicom with 3d navigation?
Thank you!