Calendar* Clarification: Tom Hamilton's cancer

Some websites say that Tom Hamilton, bassist of Aerosmith, underwent treatment for tongue cancer on August 25, 2006.  According to the newspaper The Washington Post, Hamilton announced on August 25 that he was recovering from radiation treatment, which he had been undergoing for seven weeks.  Some websites report that he had treatment from tongue and throat cancer on this date.  According to The Post, it was only for tongue cancer.  The cancer later spread to his throat, which forced Hamilton to undergo non-invasive surgery for in 2009.