Assertion: brain tumor's size | /r/HasProperty | less than 20 mm
Facets:
value: in its greatest dimension
type: OTHER
Source sentences:
text: More specifically, the term mass is often used when the lesion has a maximal diameter of at least 20 millimeters (mm) in greatest direction, while the term nodule is usually used when the size of the lesion is less than 20 mm in its greatest dimension (25.4 mm = 1 inch).