About: http://webisa.webdatacommons.org/323280236

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 symptom is dysphagia, and any dysphagia in a patient above the age of 40 years should increase the suspicion for esophageal cancer and prompt endoscopic examination.
http://www.w3.org/ns/prov#wasQuotedFrom	medpagetoday.com