When her containment vessel ruptured, her disease relapsed.
5 seconds sound clip from the Batman & Mr. Freeze: SubZero movie soundboard.
You can hear this line at 00:18:47 in the Blu-ray version of the movie.
Quote context
[...]
- Alfred, would you mind turning up the air-conditioning?
- Strange. There's not a cloud in the sky.
- Belongs to someone named Belson.
- When her containment vessel ruptured, her disease relapsed.
- She's got a couple of weeks at best.
- What?
- Don't shoot the messenger. I'm just telling you like it is.
- Nothing can save her now, short of an organ transplant.
[...]