About: http://webisa.webdatacommons.org/437273359

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	It is commonly caused by chronic vein disease, heredity, or removal of lymph nodes and radiation to treat certain types of cancer.
http://www.w3.org/ns/prov#wasQuotedFrom	mcleodhealth.org