Standardized assessment of tumor-infiltrating lymphocytes in breast cancer: an evaluation of inter-observer agreement between pathologists

Trine Tramm^*, Tina Di Caterino, Anne Marie B. Jylling, Giedrius Lelkaitis, Anne Vibeke Lænkholm, Péter Ragó, Tomasz P. Tabor, Maj Lis M. Talman, Emmanouela Vouza, On behalf of the Scientific Committee of Pathology, Danish Breast Cancer Group (DBCG)