A 26-Year-Old Woman Is Evaluated for Intermittent Abdominal Discomfort, Diarrhea

A 26-year-old woman is evaluated for intermittent abdominal discomfort, diarrhea, and melena.  The patient undergoes colonoscopy followed by total colectomy due to significant colonic abnormalities.  Representative colon findings are shown in the image below. Her sister, who has the same biological parents and has no symptoms, also undergoes screening colonoscopy and has similar findings.  If left untreated, which of the following is the most likely lifetime risk of colon cancer in the patient's sister?

A) About 25%
B) About 50%
C) About 75%
D) Close to 100%
E) Same as general population

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free