To spread from one part of the body to another When cancer cells metastasize and form secondary tumors, the cells in the metastatic tumor are like those in the original (primary) tumor " SOURCE : http: //cancernet nci nih gov/dictionary html
-Used most commonly in reference to cancer, it describes the occurrence of the cancer extending beyond its area of origin into other regions and organs of the body When this happens, the cancer becomes difficult to stop and often results in death
To spread from one part of the body to another Cancer is said to metastasize when it spreads from the primary site of origin to a distant anatomical site