possible bone mets 3 yrs post op radical nephrectomy

Hi everybody,
My names Dougie and I live in Glasgow Scotland U.K. I had my nephrectomy in July 2008 and have been well since having 6 monthly CT scans.I recently found bone mass in chest and I'm getting some pain.Docs prescribed Diclofenac for pain while he organises bone scan to investigate.Hoping it's not bone mets from my kidney C.If it is ,any advice from anyone in a similar situation would be appreciated.Thanks Dougie.