About: http://webisa.webdatacommons.org/352070674

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Some tumor types are assigned a grade, ranging from Grade I (least malignant) to Grade IV (most malignant), which signifies the rate of growth.
http://www.w3.org/ns/prov#wasQuotedFrom	braintumor.org