LeBron James reveals Bronny underwent surgery following cardiac arrest, but says he is 'doing extremely well'

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LeBron James is preparing to begin his 21st season in the NBA. He has spent the past five seasons with the Los Angeles Lakers, but his dedicating this year to someone who he holds dear — he eldest son Bronny.

During the Lakers media day on Monday, James noted that Bronny intended to be on the basketball court this season with the USC Trojans. Bronny suffered cardiac arrest this past summer during a team workout. 

James also revealed that his 19-year-old son had undergone "successful surgery." Bronny spent a few days in a Los Angeles hospital in July. The James family later released a statement that said a congenital heart defect had likely caused the incident. They also noted that it was believed the condition could be treated.

"Bronny's doing extremely well," James told reporters at Lakers media day. "He's begun his rehab process to get back on the floor this season with his teammates and USC — the successful surgery that he had. But he's on the up and up."

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LeBron James, left, poses with his son Bronny after Sierra Canyon beat Akron St. Vincent - St. Mary in a high school basketball game, Saturday, December 14, 2019, in Columbus, Ohio. (AP Photo/Jay LaPrete, File)

James, a four-time NBA champion, also expressed optimism about Bronny's future.

"Definitely a whirlwind and a lot of emotions for our family this summer. But the best thing we have is each other. . . . We're happy to see where he is today, and we look forward to seeing what his future still has in store for him."

BRONNY JAMES MISSES FIRST USC PRACTICE 2 MONTHS AFTER CARDIAC ARREST, BUT 'DOING VERY WELL'

In late July,