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Cancer is the second leading cause of death in Armenia. Over the past two decades, the country has seen a significant rise in cancer morbidity and mortality. This review aims to provide up-to-date info about the state of cancer control in Armenia and identify priority areas of research. The paper analyzes published literature and local and international statistical reports on Armenia and similar countries to put numbers into context. While cancer detection, diagnosis, and treatment are improving, the prevalence of risk factors is still quite high and smoking is widespread. Early detection rates are low and several important screening programs are absent. Diagnosis and treatment methods are not standardized; there is a lack of treatment accessibility due to insufficient government coverage and limited availability of essential medicines. Overall, there is room for improvement in this sector, as research is limited and multidisciplinary approaches to the topic are rare.

Lung cancer is the leading cause of cancer mortality with the median age of incidence being 69 years in males and 67 years in females. Radiochemotherapy (RT-CHT) is indicated in locally advanced non-small-cell lung cancer and limited-stage small-cell lung cancer; however, a significant under-representation of the elderly has been observed in patient recruitment in cancer treatment trials. In the last decades of the 20th Century, studies showed that elderly patients achieved the best quality-adjusted survival with radiotherapy alone, but recent trials have found that fit elderly patients benefit from concurrent RT-CHT, although with more short-term toxicity. Age alone should not exclude fit patients and deprive them of the standard treatment. Using tools, such as comprehensive geriatric assessment, a patient's tolerance to therapy can be assessed and monitoring can be performed. This review will focus on RT-CHT treatment in elderly patients with nonoperable stage III non-small-cell lung cancer and limited-stage small-cell lung cancer exclusively.

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