Sean Langenfeld/LinkedIn
Nov 7, 2026, 12:03
Sean Langenfeld: Rectal Bleeding on Anticoagulation – Don’t Miss Colorectal Cancer
Sean Langenfeld, Surgeon at University of Nebraska Medical Center, shared a post on X:
“An important Colorectal Cancer red flag:
Patient starts anticoagulation and then develops rectal bleeding or anemia.
Many of my patient stories start with:
- MI-DAPT
- Afib or DVT-apixaban, etc.
This is followed by new complaints of ‘hemorrhoids.’ They need a colonoscopy.”
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