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Shinkichi Takamori, Kazuki Takada, and Yoshihiko Maehara have no conflicts of interest to disclose.
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ASO Author Reflections is a brief invited commentary on the article “Prognostic Impact of Programmed Death-Ligand 2 Expression in Primary Lung Adenocarcinoma Patients”, Ann Surg Oncol. 2019;26:1916–1924.
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Takamori, S., Takada, K. & Maehara, Y. ASO Author Reflections: Clinical Implications of Programmed Death-Ligand 2 (PD-L2) Expression as an Independent Prognostic Marker in Lung Adenocarcinoma: Different Characteristics of PD-L2-Positive Patients from Those with Programmed Death-Ligand 1. Ann Surg Oncol 26 (Suppl 3), 668–669 (2019). https://doi.org/10.1245/s10434-019-07680-6
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DOI: https://doi.org/10.1245/s10434-019-07680-6