_:vb50947511 "url:http://en.wikipedia.org/wiki/Sarcoma"^^ . _:vb50947511 "url:https://www.ncbi.nlm.nih.gov/pubmed/1658495"^^ . _:vb50947511 . _:vb50947511 . _:vb50947511 . _:vb50947511 . _:vb50947511 . _:vb50947511 "An esophageal cancer that arises from transformed cells of mesenchymal origin sarcoma and located_in the esophagus."^^ . _:vb50947511 .