If Roma manages to beat Porto, it will be good for Ranieri who might have a chance in the next round to advance further in the Europa League. And for Serie A, although there is no target for the trophy, at least Ranieri must push Roma's performance to rise in the standings. At least they must occupy a position where they get tickets for European competitions.
Roma's points difference with the teams that are at least in the top 6 of the standings is quite far. So it takes a lot of effort to be able to push Roma up the position.
They have a chance in the Europa League, but in Serie A I think their chance to become champions is closed, maybe the target they can maximize is trying to get the best place in the standings by being able to win a place to go to European competition. AS Roma in the last few seasons they have always struggled to get what they expect, even to compete for the top 4 positions they have had a lot of difficulty. I look forward to the revival that AS Roma can do, because after all they are a club that has the potential to get it all.