Pope Leo underwent successful surgery to remove a cancerous growth from his lung, according to the Vatican. The procedure took place at Rome’s Gemelli hospital. The operation lasted approximately nine hours. The pontiff was hospitalized for the first major health issue of his 17-month papacy.

Doctors confirmed the growth was malignant. The Vatican stated the surgery was completed as planned. The Pope had a lower lobe of his right lung removed. The condition was diagnosed as lung adenocarcinoma. This is a common type of lung cancer.

The Vatican revealed the diagnosis following the operation. The Pope had been under medical observation for some time. A nodule was detected during a recent check-up. The pontiff described the early detection as a key factor. The surgery was performed after the Pope was hospitalized.

This is the first significant health issue for Pope Leo since his election. The Vatican has not provided further details on his recovery. The Pope is expected to recover fully. The operation was considered a success. The Vatican has not announced any changes to the Pope’s schedule.