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Immunoscore is a prognostic tool defined to quantify in situ immune cell infiltrates and appears highly promising as a supplement to the tumor-node-metastasis (TNM) classification of various tumors. In colorectal cancer, an international task force has initiated prospective multicenter studies aiming to implement TNM-Immunoscore (TNM-I) in a routine clinical setting. In breast cancer, recommendations for the evaluation of tumor-infiltrating lymphocytes (TILs) have been proposed by an international working group. Regardless of promising results, there are potential obstacles related to implementing TNM-I into the clinic. Diverse methods may be needed for different malignancies and even within each cancer entity. Nevertheless, a uniform approach across malignancies would be advantageous. In nonsmall-cell lung cancer (NSCLC), there are several previous reports indicating an apparent prognostic importance of TILs, but studies on TILs in a TNM-I setting are sparse and no general recommendations are made. However, recently published data is promising, evoking a realistic hope of a clinical useful NSCLC TNM-I. This review will focus on the TNM-I potential in NSCLC and propose strategies for clinical implementation of a TNM-I in resected NSCLC.

Original publication

DOI

10.1093/annonc/mdv560

Type

Journal article

Journal

Ann Oncol

Publication Date

02/2016

Volume

27

Pages

225 - 232

Keywords

NSCLC, T cells, TNM-I, immunoscore, lung cancer, Carcinoma, Non-Small-Cell Lung, Humans, Lung Neoplasms, Lymphocytes, Tumor-Infiltrating, Neoplasm Metastasis, Neoplasm Staging, Prognosis, Severity of Illness Index, Tumor Microenvironment