Assertion: brain tumor's cancer cell | /r/CapableOf | enter either the lymphatic system
Facets:
value: to reach possible later the bloodstream
type: PURPOSE
value: to reach the lymph nodes
type: PURPOSE
Source sentences:
text: The process metastasis occurs when cancer cells leave the primary cancer tissue and enter either the lymphatic system to reach the lymph nodes and possible later the bloodstream or through the bloodstream directly.