Update on tumor-infiltrating lymphocytes (TILs) in breast cancer, including recommendations to assess TILs in residual disease after neoadjuvant therapy and in carcinoma in situ: A report of the International Immuno-Oncology Biomarker Working Group on Breast Cancer

Maria Vittoria Dieci, Nina Radosevic-Robin, Susan Fineberg, Gert van den Eynden, Nils Ternes, Frederique Penault-Llorca, Giancarlo Pruneri, Timothy M. D'Alfonso, Sandra Demaria, Carlos Castaneda, Joselyn Sanchez, Sunil Badve, Stefan Michiels, Veerle Bossuyt, Federico Rojo, Baljit Singh, Torsten Nielsen, Giuseppe Viale, Seong Rim Kim, Stephen HewittStephan Wienert, Sybille Loibl, David Rimm, Fraser Symmans, Carsten Denkert, Sylvia Adams, Sherene Loi, Roberto Salgado

Research output: Contribution to journalScientific review

89 Scopus citations

Abstract

© 2017 The Authors Morphological evaluation of tumor-infiltrating lymphocytes (TILs) in breast cancer is gaining momentum as evidence strengthens the clinical relevance of this immunological biomarker. TILs in the post-neoadjuvant residual disease setting are acquiring increasing importance as a stratifying marker in clinical trials, considering the raising interest on immunotherapeutic strategies after neoadjuvant chemotherapy. TILs in ductal carcinoma in situ, with or without invasive carcinoma, represent an emerging area of clinical breast cancer research. The aim of this report is to update pathologists, clinicians and researchers on TIL assessment in both the post-neoadjuvant residual disease and the ductal carcinoma in situ settings. The International Immuno-Oncology Working Group proposes a method for assessing TILs in these settings, based on the previously published International Guidelines on TIL Assessment in Breast Cancer. In this regard, these recommendations represent a consensus guidance for pathologists, aimed to achieve the highest possible consistency among future studies.
Original languageAmerican English
Pages (from-to)16-25
Number of pages10
JournalSeminars in Cancer Biology
DOIs
StatePublished - 1 Oct 2018
Externally publishedYes

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    Dieci, M. V., Radosevic-Robin, N., Fineberg, S., van den Eynden, G., Ternes, N., Penault-Llorca, F., Pruneri, G., D'Alfonso, T. M., Demaria, S., Castaneda, C., Sanchez, J., Badve, S., Michiels, S., Bossuyt, V., Rojo, F., Singh, B., Nielsen, T., Viale, G., Kim, S. R., ... Salgado, R. (2018). Update on tumor-infiltrating lymphocytes (TILs) in breast cancer, including recommendations to assess TILs in residual disease after neoadjuvant therapy and in carcinoma in situ: A report of the International Immuno-Oncology Biomarker Working Group on Breast Cancer. Seminars in Cancer Biology, 16-25. https://doi.org/10.1016/j.semcancer.2017.10.003