MONDO_0005374 (bone marrow neoplasm) is neoplasms that affect the bone marrow. Such neoplasms may arise in the bone marrow (e.g. myeloid leukemias) or may involve the bone marrow as secondary, metastatic tumors (e.g. metastatic carcinomas to the bone marrow). Also known as: bone marrow neoplasm (disease), bone marrow tumor, bone marrow tumour, neoplasm of bone marrow, tumor of bone marrow, tumour of bone marrow.