Clinicopathological insights and management of liver metastases: Current advances and future perspectives.
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Liver metastases are a leading contributor to cancer-related illness and death, occurring far more frequently than primary liver tumors. Their management remains highly challenging due to the complexity of disease behavior and the need for an individualized, multidisciplinary approach. Effective care increasingly relies on integrating sophisticated diagnostic techniques, advanced systemic and locoregional therapies, and molecularly tailored treatment strategies. This review provides an in-depth analysis of the current clinicopathological perspectives on liver metastases. It explores their epidemiology, mechanisms of spread, histological growth patterns, diagnostic imaging advancements, molecular characteristics, and therapeutic interventions. Additionally, it examines the broader implications for patient quality of life (QoL), healthcare costs, and the particular difficulties associated with managing liver metastases in pediatric patients and individuals with rare malignancies. The article outlines the diverse histopathological features and tumor-liver interface growth patterns, emphasizing their prognostic and therapeutic significance. It evaluates contemporary imaging modalities-including magnetic resonance imaging and computed tomography (CT) with hepatocyte-specific agents, positron emission tomography/CT, and contrast-enhanced ultrasound-and highlights the emerging importance of liquid biopsy and molecular profiling in shaping treatment decisions. The review discusses available treatment options such as chemotherapy, targeted agents, immunotherapies, surgical resection, liver transplantation, and various locoregional therapies. Furthermore, it addresses evolving fields like prognostic scoring systems, radiomics, artificial intelligence (AI) applications, and patient-derived organoid and xenograft models. A summary of current clinical trials and translational research initiatives reflects the fast-paced evolution of this field. The management of liver metastases is rapidly advancing, driven by precision oncology principles and collaborative, multidisciplinary care. The integration of molecular diagnostics, novel therapeutic approaches, and cutting-edge technologies-including AI and organoid-based personalized drug testing-is poised to enhance treatment selection, improve clinical outcomes, and support better QoL. These innovations hold the potential to transform the outlook for patients with liver metastases, moving toward more durable disease control in appropriately selected cases.