Objective: to compare neutrophil/lymphocyte ratio (NLR) and platelet/lymphocyte ratio (PLR) in patients with NSCLC (Non- Small- Cell Lung Cancer) with and without metastases at the time of diagnosis to find out if there is the importance of these cell ratios in the assessment of severity NSCLC. Material and Methods: this is the retrospective analysis of NRL and PRL in patients with NSCLC at the time of the diagnosis of disease before any anti tumor treatment (chemotherapy, radiotherapy, surgery). 57 of patients with NSCLC treated in the first three months of 2016 .year were chosen at random regardless of sex and age. We examined full blood count cells (FBC), calculated NLR and PLR in every patient and compared obtained values in patients with and patients without metastases. Results: In 57 patients with NSCLC there were 15 males with metastases, 28 without metastases, and 8 females with metastases, 6 without metastases. Since there was no regularity in the distribution of obtained values of NLR and PLR we made the Mann-Whitney U test. Mean values are presented with a median and interquartile percentiles. There was no significant difference in NLR between patients without and with metastases (p = 0.614; p = NS) as well as in PLR (p=0,068; p=NS). Conclusion: There must be a link between the immune status of the organism and lung cancer development. Immune cells have become of interest in recent years and much work has been done to study their role in the genesis of cancer but it did not give satisfactory results. Further clinical studies on large number of patients and further laboratory examination of the role of immune cells in cancer development and suppression are required.
Key words: NSCLC, NLR, PLR.
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