_:vb50953427 . _:vb50953427 . _:vb50953427 . _:vb50953427 . _:vb50953427 . _:vb50953427 "An adenocarcinoma that derives_from epithelial cells originating in glandular tissue. The tumor has branched angular tubules embedded in a loose fibrous stroma."^^ . _:vb50953427 "url:http://onlinelibrary.wiley.com/store/10.1002/dc.2161/asset/2161_ftp.pdf?v=1&t=gpju9amb&s=f4e446d3a3c1e806325be5d11994dc6fb4670edf"^^ .