There are a surprising number of Phantom Liberty endings in Cyberpunk 2077's first-and-last expansion, and depending on which you choose, you can also unlock a new alternate ending to the main game, where you claim that cure Songbird dangled in front of you since first stepping foot in Dogtown...
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All Cyberpunk 2077: Phantom Liberty endings and how to get them
Source: PC Gamer (opens in a new tab)