Nationals MP Barnaby Joyce has revealed he will undergo surgery after being diagnosed with prostate cancer.
The former deputy prime minister comfortably won his regional NSW seat of New England at the federal election, but revealed his diagnosis after the vote.
Joyce, 58, received the diagnosis following a prostate-specific antigen (PSA) blood test.
The test came back with an "elevated" result and the subsequent MRI and biopsy revealed the prostate cancer.
Joyce told ABC News he would have an operation on Monday, followed by a short stay in hospital.
"Prostate cancer, if you get it early, is very, very treatable; in fact, about 97 per cent successful," he said.
"If I thought it was very serious, of course I'd resign, but my doctors or surgeons say, 'You're very lucky you've got it early'."
Joyce said he kept the diagnosis private to not distract from the election campaign.
"I knew it would turn into a bit of a circus," Joyce said.
"I wanted the campaign to focus on the campaign and I didn't think this issue needed to be a part of that."
Labor had a , reducing the Coalition to at the polls and the in the process.
Federal Labor MP Tanya Plibersek praised Joyce for going public with his diagnosis.
"It's very brave of Barnaby to share his experience," she told Seven.
"I really do think that having high-profile people like Barnaby talk about their health challenges is really important to encourage other men to get the test."
