权威例句
The risk of cancer and dysplasia among ulcerative colitis patients with primary sclerosing cholangitisCovered metal stents for management of inoperable malignant colorectal stricturesPerianal Bowen's disease: a clinicopathologic study of 47 patientsAdrenal masses in patients with familial adenomatous polyposisAdvancement sleeve flaps for treatment of severe perianal Crohn's diseasePerianal Bowen's diseaseThyroid Cancer in Patients with Familial Adenomatous PolyposisLong-term outcome of patients with perianal Paget's disease.Right colonic arterial anatomy. Implications for laparoscopic surgery.Intraoperative laparoscopic liver ultrasonography for staging of colorectal cancer. Initial experience