During routine examination of a 32-year-old patient, a cervical polyp was found and CIN III was confirmed by biopsy. After performing colposcopy. biopsy and establishing CIN III as well as performing gastroscopy where a duodenal polyp was found, thorough diagnostic exams and therapy were carried out. Complete duodenal resection and conization were performed. The medical board decided that neither further radiation nor chemotherapy was needed.