"My mom told me not to worry about it. It's hard to do that. It's easy to say ... but it's really, really difficult. So currently I'm scheduled to play Augusta ... but if things don't come back the way we want them, I don't know what's going to happen."
"But I can't help but think of my dad when I see her in that situation, because when they go through such a traumatic surgery like that it just can be tough."
Day revealed that his mother, Dening, has cancer after withdrawing from the Dell Technologies Match Play in Austin, Texas, last Wednesday.