Clinical Significance and Revisiting the Meaning of CA 19-9 Blood Level Before and After the Treatment of Pancreatic Ductal Adenocarcinoma: Analysis of 1,446 Patients from the Pancreatic Cancer Cohort in a Single Institution

• Joo Kyung Park ,

  Contributed equally to this work with: Joo Kyung Park, Woo Hyun Paik

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Woo Hyun Paik ,

  Contributed equally to this work with: Joo Kyung Park, Woo Hyun Paik

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Ji Kon Ryu ,

  * E-mail: jkryu@snu.ac.kr (JKR); yongtkim@snu.ac.kr (YTK)

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Yong-Tae Kim ,

  * E-mail: jkryu@snu.ac.kr (JKR); yongtkim@snu.ac.kr (YTK)

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Youn Joo Kim,

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Jaihwan Kim,

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Byeong Jun Song,

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Jin Myung Park,

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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• Yong Bum Yoon

  Affiliation Departments of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea

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