About: http://webisa.webdatacommons.org/375449581

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	The most common clinical presentation is a slow-growing mass in the soft tissues of the lower extremity, especially around the knee and the ankle.
http://www.w3.org/ns/prov#wasQuotedFrom	sarcomahelp.org