https://www.selleckchem.com/products/orelabrutinib.html The Connective Tissue Oncology Group Annual Meeting 2018 (CTOS 2018) took place in Rome from 4 to 17 November 2018, and the 39th Plenary Meeting of the Scandinavian Sarcoma Group (SSGM 2019) was held in Bergen from 8 to 10 May 2019. These two large international conferences brought together an overwhelming majority of molecular and clinical specialists in the sarcoma field, especially those working on soft tissue sarcoma. Topics discussed on the conferences included, among others, sarcoma genetics, clinical and molecular subclassification, targeted therapy, clinical prognostication, and new experimental sarcoma models. A large ongoing international study on germinal sarcoma genetics was presented, the interim results of which revealed the extremely complex nature of genetic disposition to sarcoma, and, surprisingly, a rather prominent place among predisposing genes for those coding for structural telomere constituents. Fusion oncogenes dominate somatic sarcoma genetics, especially because of their origin and , or services used in the study. The Editorial Board declares that the manuscript met the ICMJE recommendation for biomedical papers. Submitted 20. 9. 2019 Accepted 6. 11. 2019.BACKGROUND Immunotherapy blocking the PD-1/PD-L1 signalling pathway has become a dominant treatment modality for patients with non-small cell lung carcinoma (NSCLC). Programmed death-ligand 1 (PD-L1) expression on the membrane of tumour cells and/or tumour infiltrating lymphocytes (TIL) evaluated immunohistochemically is still the only clinically validated predictive biomarker for immunotherapy, but it has its limitations. TIL in the tumour microenviroment was identified as having predictive value. We retrospectively evaluated 134 NSCLC resection specimens, and analysed the association between PD-L1 expression, the presence of TIL, and the degree of desmoplasia in tumours. MATERIAL AND METHODS PD-L1 expression on tumour cells and TIL