I have had biopsy due to cgin (and the biopsy was actually ok so no treatment ) but the Cgin came back 10 months or so later so had lletz.
What I was told is that a colposcopy and biopsy isn't always easy to do for Cgin as our nasties are further up the canal and harder to see than the cin123s. Also they need to remove Cgin as it is equivalent to cin3 so it is likely to become cancer if it is left and not removed.
The MDT will consider how much Cgin the colposcopist could see in testing and then it's likely they will want to give you lletz. I think they normally would go for that option but it may depend on your symptoms, age, and whether you have completed your family.
I have had 2 lletz which removed the Cgin with clear margins although I basically ended up having everything they could remove in a Lletz removed. However was all done under LA and was uncomfortable but bearable. after 3 weeks am pretty much back to normal running, lifting etc. Only needed a day off work. As they found a very small Cc tumour in my first lletz the MDT did recommend a hysterectomy but I went for more lletz which was clear so I now just have another colposcopy booked for July to see how I am. if the Cgin is back I will then probably have a hysterectomy.
The MDT will also sometimes recommended a hysterectomy for persistent Cgin (due to the likelihood of itdeveloping into cc if left untreated) but unlikely for u at this stage as they normally try a couple of lletz first.
Hope you get info from MDT soon sometimes there is a week to fortnight wait to seecwhat they say.
Good luck xx