Scottie Pippen had arthroscopic surgery on his left knee Tuesday and is expected to sit out the next three weeks as the Portland Trail Blazers try to catch the Sacramento Kings in the Pacific Division.
Pippen, 37, has missed the last four games with swelling in his left knee. It was unclear how Pippen injured it.
The injury is a blow to the Trail Blazers as they push toward the playoffs. They are 3 1/2 games behind the Kings.
Grant Hill had surgery on his left ankle for the fourth time. Doctors are confident he will play again, but there is no timetable for his return.
The Orlando Magic star's heel was reshaped to realign his left leg during the operation at Duke Medical Center in Durham, N.C.
The heel will take three weeks to heal and Hill expects to be on crutches at least until late June.
Houston Rocket Coach Rudy Tomjanovich has a cancerous tumor on his bladder lining that the team said will be treated without surgery.
The 54-year-old coach was released from the hospital and was resting at home, the Rockets said Tuesday.
The coach will begin weekly treatments in two weeks, but team physician James Muntz did not specify the nature of the treatments.