Colon cancer: Understanding the disease that killed "Black Panther" star Chadwick Boseman
Colon cancer is the third most common form of cancer in the U.S. "Black Panther" star Chadwick Boseman succumbed to the disease Friday, four years after being diagnosed. Dr. David Spigel, chief scientific officer at the Sarah Cannon Research Institute, joins CBSN's Lana Zak to talk about the disease that kills 50,000 Americans every year.