The progress report for how the N.B.A. is coping halfway through its first postseason in 14 years without LeBron James is promising — provided you enjoy Game 7s.

Sunday delivers two of them: It’s the Philadelphia 76ers visiting the Toronto Raptors in the Eastern Conference and the Denver Nuggets hosting the Portland Trail Blazers in the West.

There could have been three Game 7s on the same day in this conference semifinal round of the playoffs — something that has happened only once before in league history — but Houston could not force Golden State into a win-or-go-home game as the Rockets did last season. After surviving the first six-game series in league history in which each game was decided by 6 points or fewer, Golden State has joined the rampaging Milwaukee Bucks in the N.B.A.’s final four.