title: Sigmoid carcinoma by high-level serum β-human chorionic gonadotropin and ectopic pregnancy-like symptoms.
authors: Peking Union Medical College, Beijing, China.
authors: Yi
authors: Y
authors: Lu
authors: Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China. Electronic address: chenweiwenlin@163.com.
authors: Weilin
authors: W
authors: Chen
authors: Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China.
authors: Li
authors: L
authors: Jin
authors: Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Beijing, China.
authors: Xinyan
authors: X
authors: Liu
mesh_terms: D000328:Adult; D014408:Biomarkers, Tumor / Q000097:blood; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood*; D003113:Colonoscopy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D010535:Laparoscopy; D049268:Positron-Emission Tomography; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000097:blood* / Q000175:diagnosis; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D012811:Sigmoid Neoplasms / Q000097:blood* / Q000175:diagnosis; D014057:Tomography, X-Ray Computed
chemical_list: D014408:Biomarkers, Tumor; D018997:Chorionic Gonadotropin, beta Subunit, Human