Irving will undergo another procedure on Saturday to remove two screws from his patella that were inserted in 2015 to fix a fracture he suffered during that year's NBA Finals.
Irving averaged 24.4 points, 5.1 rebounds and 3.8 assists in 60 games in his first season with Boston following a blockbuster offseason trade with the Cleveland Cavaliers, where he spent the first six years of his career.
The Boston Celtics will have to try to find a way in the NBA Playoffs without Kyrie IrvingWhat's the story? This season was only a snapshot of what's to come from me. They expect him to be ready for the start of next season. "He is expected to make a full recovery in four-five months". Trust Me. "The journey back to the top of Mt. Everest continues".
Noor Salman acquitted in Pulse Nightclub shooting
Salman's attorneys argued that their client was not an accomplice but a simple-minded victim of her husband's infidelity and lies. Those, they argued, did not seem to be the actions of someone who knew Mateen was about to die in a terrorist-inspired shooting.
The Celtics said Irving's patella is completely healed and "remains structurally sound".
While Toronto will most likely enter the postseason with the East's top seed, the conference was still considered to be wide open prior to Irving's injury.
Without Irving, Boston's title hopes have been dealt another devastating blow as the Celtics (53-25) already had lost star forward Gordon Hayward to a season-ending injury.
The Celtics have relied on third-year point guard Terry Rozier since Irving was sidelined.
Offseason pickup Marcus Morris averaged almost 20 points a game last month and was key in Boston's recent six-game win streak. Bench forward Daniel Theis is out for the season. The Celtics are expected to face the Milwaukee Bucks, Miami Heat or Washington Wizards in the first round.