"The trade that wasn't might have saved Jerome Harrison's life.

According to ESPN, doctors discovered Harrison had a brain tumor during his physical Wednesday, voiding the Detroit Lions' deadline deal with the Philadelphia Eagles for running back Ronnie Brown and sending Harrison back to Detroit.

Harrison's agent did not return messages seeking comment, and Harrison did not reply to an e-mail. His sister, Jasmine Persell, said "he's doing good" but said she didn't know any details about his condition.

The Lions wouldn't confirm the report and listed Harrison as did-not-practice because of an "illness" on today's injury report.

"It's a privacy issue, and I'm not going to comment on it," Lions coach Jim Schwartz said. "