| http://www.w3.org/ns/prov#value | - ??? ??? ??? progression continued change of a cancer, making it more malignant over time. ??? ??? ??? primary tumor the original tumor; usually identified by the tissue from which it arose such as breast or lung cancer. ??? ??? ??? lymphatic spread related to the number structure and locatoin of lymh nodes and vessels, primary sites that are rich in lymphatics have more arly metastatic spread than
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