Original Article
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World J Gastrointest Oncol. Oct 15, 2012; 4(10): 207-215
Published online Oct 15, 2012. doi: 10.4251/wjgo.v4.i10.207
Lymph node ratio and preoperative CA 19-9 levels predict overall survival and recurrence-free survival in patients with resected pancreatic adenocarcinoma
Sabrina C Wentz, Zhi-Guo Zhao, Yu Shyr, Chan-Juan Shi, Nipun B Merchant, Kay Washington, Fen Xia, A Bapsi Chakravarthy
Sabrina C Wentz, Department of Pathology, The Johns Hopkins Hospital, Baltimore, MD 21201, United States
Zhi-Guo Zhao, Yu Shyr, Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN 37215, United States
Chan-Juan Shi, Kay Washington, Department of Pathology, Vanderbilt University Medical Center, Nashville, TN 37215, United States
Nipun B Merchant, Department of Surgery, Vanderbilt University Medical Center, Nashville, TN 37215, United States
Fen Xia, A Bapsi Chakravarthy, Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN 37215, United States
Author contributions: Wentz SC contributed to study design, wrote the manuscript, staged tumors and acquired relevant data; Zhao ZG and Shyr Y performed all statistical evaluations; Shi CJ and Washington K provided patient tissue information and expert morphologic interpretation; Merchant NB provided editorial advice and patient information; Xia F and Chakravarthy AB designed this study and contributed to the manuscript.
Correspondence to: Sabrina C Wentz, MD, Fellow, Department of Pathology, The Johns Hopkins Hospital, 201 N. Broadway, Baltimore, MD 21231, United States. swentz3@jhmi.edu
Telephone: +1-410-5021355 Fax: +1-410-9550115
Received: April 4, 2012
Revised: September 27, 2012
Accepted: October 1, 2012
Published online: October 15, 2012
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