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The ratio of Ki-67 positive cells in these structures is often measured as a "labeling index." High blood uric acid results from cell death in these structures during their namesake "lysis syndrome." The characteristically "leaky vasculature" and "infiltrating lymphocytes" contribute to the "microenvironment" of these structures. Unusually, cells in these structures undergo lactic acid fermentation even in abundant oxygen. Cells in these structures break through the basement membrane after undergoing a transition from epithelial to mesenchymal ("meh-ZANK-uh-mull"), then extravasate ("ex-TRAV-uh-sate") into the bloodstream. Stephen Paget's ("padget's") "seed and soil" theory explains why few of the "circulating" cells that are shed by these structures grow into new examples of them. "Primary" examples of these structures can metastasize to other parts of the body. For 10 points, name these abnormal masses of tissue, malignant examples of which can lead to cancer.
The ratio of Ki-67 positive cells in these structures is often measured as a "labeling index.
tumors [or neoplasms] &lt;Biology&gt; Bonuses