Gamma Knife for Meningioma & dAVF in ONE treatment session

Has anyone in this group experienced Gamma Knife for treating a meningioma and a dural arteriovenous fistula (dAVF) in ONE treatment session? If so, what was your experience like? I have a parafalcine meningioma and am being investigated for a possible dAVF. If a dAVF is confirmed, then both will be treated in a single Gamma Knife session. 21 years ago I had Gamma Knife to treat a skull-base schwannoma, so I'm already familiar with this procedure for treating a single tumour. Primarily I'm interesting in hearing whether treating 2 issues at once is associated with greater risk of side effects (other than the obvious increased radiation). Thank you for sharing your story.