<i>ATP2C2</i> as a novel immune-related marker that defines the tumor microenvironment in triple-negative breast cancer.

"this article is presented in accordance with the tripod reporting checklist (available at https://tcr amegroups com/article/view/10 21037/tcr-23-83/rc ) mrna expression data and relevant clinical information from samples with tnbc (breast cancer negative for er pr and her2) were downloaded from geo datasets (gse58812 and gse25055) 107 tnbc samples from the gse58812 were used as the training cohort to generate the prognostic signature while the 113 tnbc samples from the gse25055 were utilized to validate the prognostic signature of the validation cohort."

"Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://tcr.amegroups.com/article/view/10.21037/tcr-23-83/coif). The authors have no conflicts of interest to declare."

"Funding: This work was supported by the Key Disciplines of Zhejiang Hospital ( No. Z210071 )."