Oh my goodness, Nicola. Two years for your diagnosis?
I'm so sorry to hear that. I have "Hodgkin's," and the more I learn (especially from this forum) the more I'm ready to take action and eliminate the cause. My first appointment with my Oncologist was last week, and it's a good thing I had my husband with me (take someone) because I needed his "ears" as well as mine. I took notes....you just can't remember everything. Everything is done is a seemingly "manner," and it's all routine for them---but it has a tendency to "upset our apple cart" and change your life....but only temporarily.
With every situation is different, I assume. You may not need lots of tests--I've had MRI's, PET scans, and blood marrow biopsy, blood work, etc...---and through it all...my friend "Ail's" was telling me "nothing is quite as bad as you make it out to be"...and she was right. Anticipation is the worst---as, I am still (as I type) going to one more doctor in a little while. My "journey" is finally winding down some---I need a "port" put in, since my veins are small. It's seems to be protocol, as of late. They say it's much easier for all involved to have a port put in.
Take a deep breath---and get informed. The other ladies on this forum have literally become my "life savers." As you know this is a curable disease--
I'm excited to think of being "normal" someday. I haven't felt "well" for years. Set your focus ahead & your sights on becoming a healthier version of you! Knowledge is also power, as I'm finding out. It's become quite a journey---a quite long one, and I haven't really even started my treatment...just yet.
Hang in there---and talk to these wonderful people that are virtually full of knowledge & lightheartedness. They've become my guardian angels..with an "edge."
I've been reading your posts, and I'll certainly pray

for you.
S. p.s. I hope I'm giving you good advice, as I'm still "seeking" advice myself.