Dr. Oz Talks Colon Cancer and Colonoscopies

On Tuesday's episode of Dr. Oz, the doctor became the patient and discovered something shocking. Watch him explain what could have happened if he didn't get checked.

Updated 04.24.17 5:39PM ET / Published 09.07.10 4:31PM ET

On Tuesday's episode of Dr. Oz, the doctor became the patient and discovered something shocking. Watch him explain what could have happened if he didn't get checked.