Pope Leo to undergo surgery after discovery of lung nodule

In short:

Pope Leo says he will undergo surgery to remove a lung nodule.

The 71-year-old pontiff, who is relatively young for a church leader, did not say whether the lesion was malignant during his Sunday address to the faithful.

What's next?

The Catholic leader is due to make an 11-day tour of Uruguay, Argentina and Peru from November 6-17.