A 63-YEAR-OLD WOMAN presents to discuss periprocedure anticoagulation management. She has been on oral warfarin with an international normalized ratio between 2 and 3 for the past 3 months because of an idiopathic left popliteal vein thrombosis. A colonic polyp was identified during her purely diagnostic colonoscopy performed as part of her age- and gender-appropriate cancer screening. Immediate repeat colonoscopy with polypectomy is recommended. The clinician is asked to provide periprocedural anticoagulation recommendations.
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