Quote Originally Posted by Mercen-X View Post
You can't technically return to the area. But after completing the game, you can return to the chapter. Or you can just create a save game and come back to it. Although loading a save file that exists prior to say, cometing the game on hard mode, will not preserve such accomplishments, so take precautions.
Say what?

You definitely can return to the Sector 5 slums area. It's available right up until you climb up to the plate.

Are you confusing it with Sector 7 slums?