User: Based on this summary of Lebron James career, what are the key reasons he is considered the greatest basketball player of all time?
Assistant: "King" James is considered one of basketball's all-time greats because of the dominance and longevity displayed over his career. Lebron has personal accolades for days, including: 4 MVPs, 4 Finals MVPs, 19 All-Star seasons, 1st Team All-NBA 13 times, All-Defensives Team 6 times, and he's still going. When you sum up Lebron's career totals, they are equaling mind-blowing, as the NBA's all-time leading scorer, he is also 4th in career assists. Lebron's greatest achievement on the court is commonly viewed as the time he led the Cleveland Cavaliers back to championship glory, coming back from a 3-1 deficit to the Golden State Warriors in 2016.