What is lung adenocarcinoma? Pope Leo cancer diagnosis explained

Health & Fitness
14 Oct 2026 • 4:39 AM MYT
The Independent
The Independent

The world’s most free-thinking newspaper

What is lung adenocarcinoma? Pope Leo cancer diagnosis explained

  • Vatican officials have confirmed that Pope Leo XIV has been diagnosed with cancer after undergoing surgery on Tuesday to remove the lower lobe of his right lung.
  • A medical bulletin issued following the procedure verified that tests confirmed a diagnosis of lung adenocarcinoma. Vatican officials stated that the condition had been suspected during preoperative screenings and was formally confirmed during the operation.
  • Adenocarcinoma is the term for a cancer originating in glandular or secretory cells, according to cancercenter.com. It is a widespread form of cancer and represents the most prevalent subtype of lung cancer.
  • While smoking is the leading cause of lung cancer overall, linked to roughly eight in 10 deaths by the American Cancer Society, adenocarcinoma is also the form most frequently detected in non-smokers.
  • The condition affects women more often than men and appears in younger individuals at a higher rate than other lung cancers.

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