Which MR simulation sequences do you prefer for head and neck RT?

I prefer 1) noncontrast T1 normal fat - this makes it easier to see the tumor invading fat spaces within and in between muscle fibers in the tongue and parapharyngeal spaces. 2) T2 fat suppressed (FS) - this can show me edema volume (i.e., surrounding gross ECE involving the SCM) that I like to cove...