Susan is seen here with her daughter. The former is still in the hospital, following the riot of 2010.
Added:
Susan gets a surprise on the 1/10/11 episode of Desperate Housewives. Her sister and her mother pay her a visit.
Added:
Things are awkward in the Scavo Household. That's because Lynette knows Tom has a history with Renee.
Added:

Desperate Housewives Season 7 Episode 12 Quotes

I'm not ready to get over it. I have a lot of anger to work through before we sweep this under the carpet and move on.

Lynette [on Tom's affair]

I hope you can forgive me for this. It would be a shame, a shame if some meaningless encounter 20 years ago ruined this life we've built together.

Tom