What to know about Pope Leo’s lung cancer

Pulmonary adenocarcinoma, which accounts for about 40% of all lung cancer cases, usually grows and spreads more slowly than some other kinds of lung cancer.

​ Pulmonary adenocarcinoma, which accounts for about 40% of all lung cancer cases, usually grows and spreads more slowly than some other kinds of lung cancer. Read More Breaking News, Latest News and Videos | CNN