Brazilian President Luiz Inacio Lula da Silva remains hospitalized in semi-intensive care but is "lucid" and walking about, health officials said Saturday, four days after he underwent surgery for an intracranial hemorrhage.

Brazilian President Luiz Inacio Lula da Silva is expected to undergo a blood test later on Saturday as he remains hospitalized in semi-intensive care, according to a medical bulletin, as he recovers from surgeries earlier this week.

That has left Brazil pondering the future as Lula’s age and health become major parts of the political discussion and attention turns toward the next presidential election in 2026. Here’s a look at three potential ways it may play out.