Lung cancer is still a leading cause of cancer death, but that rate is half what it was in the 1990s, partly because newly developed treatments are working.

ROME -- Pope Leo XIV was eating regularly Wednesday and began walking and doing respiratory exercises, and his post-operative tests are normal following surgery to remove a cancerous mass from his lun...

“To ensure the procedure was radical, the lower lobe of the right lung was removed,” the Vatican said in a statement.