Biology of cancer invasion and metastasis.

Abstract excerpt

Current concepts of invasion eventually leading to metastasis are discussed and exemplified by cancers of the head and neck mucosa. Invasion occurs at a number of steps, each step making an ecosystem comprising not only the neoplastic cells but also their normal counterparts, a variety of host cells and the extracellular matrix. The ecosystem concept may explain aspects of metastasis such as site-dependence and...

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