High CD73 Expression Is Associated with Poor Prognosis in Biliary Tract Cancer Through Reduced Stromal Tumor-Infiltrating Lymphocytes. - Shiratori, Shoya; Kawakubo, Kazumichi; Hatanaka, Kanako C.; Kobayashi, Takuma; Konishi, Teppei; Shinomiya, Yoshiki; Oda, Soichiro; Nozawa, Shunichiro; Yonemura, Hiroki; Sugiura, Ryo; Harada, Kazuaki; Nakanishi, Yoshitsugu; et al. (Cancers, 2026)