120910 Oncology 401 Lecture 3

B er cervical cancer rare ahlquist and colleagues

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Unformatted text preview: er (rare) Ahlquist and colleagues, unpublished date Lecture 2: Summary • • • • Tumorigenesis is a disease that is progressive in nature Benign lesions show evidence for hyperplasia, dysplasia and loss of differentiation, but are restricted in their growth to the normal tissue environment. Malignant lesions (cancer) display additional phenotypes including the ability to invade into other tissue environments, and to grow in tissues where the normal cell never grows (metastasis). The progressive disease is associated with multiple changes in the cell including loss of function (tumor suppressor genes) and gain of function (oncogenes) changes. Oncology 401 Le...
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This document was uploaded on 02/14/2014.

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