Assertion: cancer's site | /r/HasProperty | the part of the body
Facets:
Source sentences:
text: Cancers often spread from their primary site (the part of the body where the cancer started) to one or more metastatic sites (other parts of the body).
text: Cancers often spread from their primary site (the part of the body where the cancer started) to one or more metastatic sites (other parts of the body).