Considering that there are still 3 matches each team will play, the opportunity to qualify for the round of 16 is still open. It's just that Milan is starting to be doubted about qualifying after 3 bad results, but we never know for sure who will get that ticket even though it seems like PSG and Dortmund have a good chance between Newcastle and Milan.
I still believe Milan or Newcastle can win at least 6 points in the group stage in the next 3 matches, that means they have to beat each other regardless of whether Milan wins against Newcastle, PSG and Dortmund or vice versa. PSG have a big chance and I'm not sure they will fail to qualify this season.
Milan has a difficult road ahead of them if they still want to make it to the next round since their room to maneuver is almost nonexistent already, they need to win at least two of the three remaining games against Borussia Dortmund and Newcastle and hope for PSG to win their remaining games against those teams as well, if this were to happen then Milan will get 8 points while at best its opponents will get 7 points, still nothing can go wrong anymore and if it does then its chances to advance will finally reach zero.