lymphoma A malignant (clonal) proliferation of B- lymphocytes or T- lymphocytes which involves the lymph nodes, bone marrow and/or extranodal sites. This category includes Non-Hodgkin lymphomas and Hodgkin lymphomas. COHD:432571 DOID:0060058 EFO:0000574 GARD:0011955 ICD10:C85.9 ICD9:200.0 ICD9:200.1 ICD9:202.80 ICDO:9590/3 MESH:D008223 MLYM MONDO:0005062 MedDRA:10025310 NCIT:C3208 ONCOTREE:MLYM Orphanet:223735 SCTID:118600007 This is potentially too broad as well as overlaps with leukemia and should be obsoleted. UMLS:C0024299 lymphoid cancer lymphoma lymphoma (Hodgkin and non-Hodgkin) lymphoma (Hodgkin's and non-Hodgkin's) lymphoma, NOS lymphoma, malignant lymphomatous malignant lymphoma lymphoid neoplasm lymphoid hemopathy