Thank you once again everyone, I'm feeling a lot calmer and more positive today thanks to all your encouragement. I think having spent a long commute and stressful appt yesterday I was just worn out and allowed myself a panic moment (or two )!
I spoke to my onc this morning and although they will arrange the bone scan she's quite hopeful we're not dealing with mets although obviously can't say for sure.
Having managed to check my bloodwork again and speak to the radiographer about the x ray, she feels we're dealing with a sciatica type of pain here

Trying not to get my hopes up too high but the pain is responding to the meds today and of course given the choice I'll gladly take sciatica over the alternative anyday!!!
I'll keep you all posted when I get the scan done but thank you for helping so much ((((hugs))))