Andrew Bynum underwent bilateral arthroscopic surgery on Tuesday. The procedure was performed by Dr. David Altchek with the Hospital for Special Surgery. Bynum will begin physical therapy on Friday and will remain non-weight bearing for approximately three weeks, after which he will spend an additional three weeks on crutches, at the recommendation of Dr. Altchek. Bynum had not played this season. Source http://basketball.realgm.com/wiretap/226817/Bynum-Underwent-Surgery-On-Knees
