The pope has a lung nodule. What does this mean? And what's the risk of cancer?

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Pope Leo is scheduled to undergo surgery to remove a lung nodule discovered during a routine checkup. He said it was contained and detected early, while the article discusses the possibility of cancer and associated risks.

Pope Leo will undergo surgery in the coming days to remove a lung nodule that was detected during a routine checkup. The 71-year-old said the growth was "well contained" and spotted early.