About: http://webisa.webdatacommons.org/406967942

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	Thus, large tumor masses are frequently absent and imaging techniques, including ultrasound, CT, and MRI have only limited sensitivity.
http://www.w3.org/ns/prov#wasQuotedFrom	worldwidescience.org