Marvin Williams will not undergo surgery on his troublesome lower back and could play again this season.

Williams wants to return before Atlanta's regular season finale on April 15. He will undergo intense rehabilitation after being examined by doctors at Duke University on Wednesday.

"It's going to be anywhere from four to six weeks," Williams said Thursday. "I'm going to dive into this treatment, make sure I get good rest and hopefully get back out there."

The Hawks are still listing Williams as "out indefinitely."