Glottic-Ca and IMRT

I was wondering how many of you use IMRT / VMAT for early stage (T1-T2) glottic cancer?

Do you contour it the same way you would treat with 3D or lateral fields?
Or do you try to spare tissue, like the contralateral cord, if there is no involvement going at the midline.

Do you use IGRT? I'm kind of troubled with IMRT, since its a moving target every time the patient swallows.

Glottic-Ca and IMRT