Hi Angelia:

I did a "search" and there were quite a few entries concerning grey "tongue," possibly associated with circulation problems. Maybe the grey gums is something like the grey tongue? Check it out.
julieann

Julieann
Nov 2007 SCC on right tonsil following tonsillectomy. Was smoker, QUIT. (Stage IV T2 N2b) 7 weeks radiation one day/wk chemo (carboplatin and 5-FU). Allergic to Taxol; PEG in, lost 30 lbs. TX completed January 2008. PEG out mid- 2008. PET/CT 1/17/2011;2/3/12 NEGATIVE for cancer smile