lymphoid neoplasm A neoplasm composed of a lymphocytic cell population which is usually malignant (clonal) by molecular genetic and/or immunophenotypic analysis. Lymphocytic neoplasms include Hodgkin and non-Hodgkin lymphomas, acute and chronic lymphocytic leukemias, and plasma cell neoplasms. EFO:0001642 ICD9:200.7 MONDO:0005157 NCIT:C7065 ONCOTREE:LYMPH UMLS:C0598798 lymphocytic and plasma cell neoplasm lymphocytic and plasma cell tumor lymphocytic and plasma cell tumour lymphocytic and plasmacytic neoplasm lymphocytic neoplasm lymphocytic tumor lymphoid and plasma cell tumor lymphoid and plasma cell tumour lymphoid and plasmacytic neoplasm lymphoid and plasmacytic tumor lymphoid and plasmacytic tumour lymphoid neoplasm lymphoid tumor hematopoietic and lymphoid cell neoplasm