DO_cancer_slim NCIthesaurus lymphoproliferative syndrome lymphomatoid granulomatosis disease_ontology ICD10CM:C83.8 A lymphoproliferative syndrome that is characterized by overproduction (proliferation) of white blood cells called lymphocytes. The abnormal cells infiltrate and accumulate (form lesions or nodules) within tissues. The lesions or nodules damage or destroy the blood vessels within these tissues. ICDO:9766/1 NCI:C7930 UMLS_CUI:C0024307 MESH:D008230 DOID:0081307 SNOMEDCT_US_2025_09_01:60337005