@phdthesis{oai:nagoya.repo.nii.ac.jp:00019285, author = {Aoba, Taro and 青葉, 太郎}, month = {Dec}, school = {名古屋大学, Nagoya University}, title = {Assessment of Nodal Status for Perihilar Cholangiocarcinoma Location, Number, or Ratio of Involved Nodes}, year = {2014} }