perivascular tumor hemangiopericytic tumor URI: http://www.ebi.ac.uk/cellline#hemangiopericytic_tumor SNOMEDCT_2010_1_31:189867006 "Hemangiopericytic neoplasm NOS (morphologic abnormality)" EXACT [SNOMEDCT_2005_07_31:189867006] SNOMEDCT_2010_1_31:189866002 UMLS_CUI:C0476144 "Hemangiopericytic neoplasm" EXACT [SNOMEDCT_2005_07_31:189866002] NCI2009_04D:C7076