The increased incidence of cancer has been attributed to raised numbers of individuals with obesity/overweight worldwide. Different types of cancers in obese individuals have poor prognosis, high remission rate and resistance to traditional therapies. Literature has identified that lipid metabolism in lipid-laden immune cells, including macrophages, abrogates anti-tumoral responses. In this review we highlight the main metabolic features observed in macrophages in obesity and cancer, and

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... how metabolic changes during metabolic diseases elicits a phenotype in macrophages that could promote malignant progression. This perspective could support new diagnosis and treatment strategies for cancer patients in immunometabolic predisposed condition.