A 33-year-old member asked:
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how deep does a colonoscopy go?

2 doctor answers
Dr. Sameer Gupta
17 years experience Medical Oncology
Right colon: A proper colonoscopy should reach the right side of the colon to the junction of the colon and the small intestine.
Answered on Sep 4, 2017
Dr. Stephen Lloyd
45 years experience Internal Medicine
The entire colon: Colonoscopy examines the entire 5 foot long large intestine.
Answered on Dec 3, 2019

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