The spot on his scrotum is likely the answer. The spot was caused by Gram negative bacteria which can cause fever and lowering of the blood pressure. It is something that is caused by feces. Surprising that it hasn't happened before.
So we will move to stepdown, keep the spot as protected as we can, and wait for counts to come back up.
This is another reason for potty training, but it's hard to get The Boy on board with that logic.
He will likely spend more time bare-bummed around the house if possible. Except when he is chemo-toxic of course.
That's about it...good to have answers.
Let's see who the first person is who knows the origin of that title.