Assertion: primary brain tumour | /r/CapableOf | start in the brain
Facets:
Source sentences:
text: Brain cancers include primary brain tumours, which start in the brain and almost never spread to other parts of the body, and secondary tumours (or metastases), which are caused by cancers that began in another part of the body.
text: A primary brain tumour is a tumour that starts in the brain.
text: Primary brain tumours start in the brain.
text: A primary brain tumour is a tumour that has started in the brain.