Andrew Bynum still has pain in his left knee that has kept him from making his debut with the Philadelphia 76ers.
Bynum is in pain when he walks or attempts even light physical activity, except for swimming. He had been recovering from a bone bruise in his right knee and injured his left knee while bowling last month.
The 7-foot center will have his knees examined again Dec. 20 and did not know if he'd need an MRI.
''Worst case scenario, it's another month,'' he said Monday night. ''Best case scenario, I can ramp it up.''
Bynum has not practiced or played for the Sixers since he was acquired in the offseason from the Los Angeles Lakers. Bynum said his right knee has improved to the point where he might have been able to play. He was again listed as inactive for Philadelphia's game against Detroit with ''bilateral bone bruises.''
''There's nothing I can do about it,'' he said. ''It's arthritis in the knees. Cartilage is missing. That's not going to regrow itself. Maybe in the fu...