Micrometastasis
micrometastasis mi·cro·me·tas·ta·sis (mī’krō-mə-tās’tə-sĭs)
n.
The spread of cancer cells from the primary site with the secondary tumors too small to be clinically detected.
mi’cro·met’a·stat’ic (-mět’ə-stāt’ĭk) adj.
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