Close The Doctor is In: Colon Cancer kiii , KIII 4:48 AM. CST December 17, 2012 CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST Colon cancer is the third most common form of cancer and the second leading cause of cancer-related deaths. Doctor Gregg Silverman joins us now with more on the new guidelines for screenings. CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment More Stories Changes made to Mustang Island Entrance Feb 24, 2017, 11:18 p.m. Unique float in Island Mardi Gras Parade Feb 24, 2017, 11:16 p.m. Del Mar Professor leading new cyber program Feb 24, 2017, 11:14 p.m.