MONDO_0005157 (lymphoid neoplasm) can be described as follows. 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. Also known as: lymphocytic and plasma cell neoplasm, lymphocytic and plasma cell tumor, lymphocytic and plasma cell tumour, lymphocytic and plasmacytic neoplasm, lymphocytic neoplasm, lymphocytic tumor, lymphocytic tumour, lymphoid and plasma cell tumor.