title: CA 19-9 tumor marker: is it reliable? A case report in a patient with pancreatic cancer.
authors: Division of Hematology and Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Hospital, Washington, DC, USA. zxw102@gunet.georgetown.edu
authors: Zheng
authors: Z
authors: Wu
authors: Anne I
authors: AI
authors: Kuntz
authors: Robert G
authors: RG
authors: Wadleigh
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D018395:CA-19-9 Antigen / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000097:blood / Q000175:diagnosis*; D011379:Prognosis
chemical_list: D014408:Biomarkers, Tumor; D018395:CA-19-9 Antigen