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Mathematical model explains why metastasis can occur even when cancer is caught early

In In The News by Barbara Jacoby

Source: University of Pennsylvania From: The concept of survival of the fittest most often applies to the competition that occurs within and between animal species, but evolutionary pressures can be found elsewhere — even in a cancerous tumor.i Cancer researchers have come to understand tumors not as lumps of identical cells, but rather as diverse, dynamic populations unto themselves. …