Assertion: malignant tumor | /r/HasProperty | secondary tumors
Facets:
value: usually
type: DEGREE
Source sentences:
text: Usually, malignant tumors are secondary tumors that have formed as a result of cancer spread.
text: Malignant primary bone tumors (primary bone cancers) are less common than benign primary bone tumors.
text: Metastatic tumors, or metastases, are considered secondary tumors and are still considered lung cancer, even when found in other parts of the body.