Dana Delany announced via Twitter her medical drama "Body of Proof" will not be returning for a fourth season. ABC canceled the show last May after three seasons, but rumors had been circulating the show could be revived mid-season. "Sorry to disappoint some, but #bodyofproof will not be resurrected. May she rest in peace. Time for new adventures!" the actress tweeted Tuesday. TVGuide.com said ABC has no comment.