_:vb50950925 "url:http://en.wikipedia.org/wiki/Blood_cancer"^^ . _:vb50950925 . _:vb50950925 . _:vb50950925 . _:vb50950925 . _:vb50950925 "An organ system cancer located in the hematological system that is characterized by uncontrolled cellular proliferation in blood, bone marrow and lymph nodes."^^ . _:vb50950925 . _:vb50950925 "url:http://www.cancer.gov/dictionary/?CdrID=45708"^^ . _:vb50950925 . _:vb50950925 .