"I don’t really give a f*** what they think on my timing."
In the episode, which will air this Sunday, Langdon asked the former Celebrity Apprentice star whether she has an image problem, after she was criticised for drawing attention to herself on social media wearing expensive outfits to court during Curtis' trial.
"There's a problem isn't there when you announce that you have breast cancer and people's first reaction is cynicism," said Langdon.
Too which Jacenko replied, "You've got too much time on your hands if you say that."
"It's normal people out there," Langdon said in response.
"Well they're not normal, Alison. Change your friends," Jacenko snapped back.
The promo then show's the mother-of-two in hospital before she is due to be taken into the operating theatre. The footage also shows Jacenko on the operating table.
"It's not something I'd ever thought I'd face," she admits. "I can't believe I'm actually in this position".
"I sure as hell don't want to let down the children. There is me and only me, so I've got an obligation to all of those people to keep running, in heels."