Assertion: tumor's type | /r/HasProperty | needed
Facets:
Source sentences:
text: If the cancer is too advanced to be removed by surgery, other types of treatment may be needed.
text: The differences are important because they affect how serious the cancer is and what type of treatment is needed.
text: If an imaging test shows enlarged lymph nodes or other possible signs of cancer spread, some type of biopsy might be needed to confirm the findings.