User blog comment:JakePT/Mass Effect 3 to be Revealed at VGA Awards?/@comment-737801-20101201042546/@comment-1691295-20101202090305

In the age of DLC, expansions are dead. I recall a Dragon Age 2 developer saying as much on the official forums.

Also, don't forget the announcement said a new game from BioWare, not DLC, not expansion, game.