| Summary: | © 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Powerful experimental tools have contributed a wealth of novel insight into cancer etiology from the organ to the subcellular levels. However, these advances in understanding have outpaced improvements in clinical outcomes. One possible reason for this shortcoming is the reliance on animal models that do not fully replicate human physiology. An alternative in vitro approach that has recently emerged features engineered microfluidic platforms to investigate cancer progression. These devices allow precise control over cellular components, extracellular constituents, and physical forces, while facilitating detailed microscopic analysis of the metastatic process. This review focuses on the recent use of microfluidic platforms to investigate the mechanism of cancer cell extravasation.
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