Conversation so far:
How did Shaquille O'Neal hurt his toe?
Shaquille O'Neal had claw toe deformity in the smallest toe of his left foot.
Did Shaquille O'Neal lose his toe in the surgery?
Shaquille O'Neal opted against a more involved surgery to return quicker.
What year was Shaquille O'Neal's toe surgery?
A month before the 2001–02 season's training camp, Shaquille O'Neal had corrective surgery for a claw toe deformity in the smallest toe of his left foot.
How long did Shaquille O'Neal's toe surgery last?
Shaquille O'Neal's toe surgery took forty five minutes.
What rehab did Shaquille O'Neal have after the surgery?
Approximately six to eight weeks of toe rehabilitation exercises, with more shoe inserts and anti-inflammation medication.
How much longer did Shaquille O'Neal play after returning after 2003 season?
On June 1, 2011, Shaquille O'Neal announced his retirement via social media.

Question: When did he depart from NBA?
Self-contained rewrite: When did Shaquille O'Neal depart from the NBA?