A Surgeon Explains the Alarming Rise of Lung Cancer in Nonsmoking Women Thoracic surgeon Jonathan Villena explains why early screening for lung cancer is critical—even for those without symptoms. By Rachel Feltman, Jeffery DelViscio, Fonda Mwangi, Kylie Murphy & Alex Sugiura Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Lung cancer is the…