Increased Metastasis of Malignant Fibrous Histiocytoma in Patients With Chronic Lymphocytic Leukemia and Non-Hodgkin Lymphoma

In the presence of CLL or NHL, MFH seems to behave more aggressively, suggested by the increased likelihood of metastases compared with controls without prior CLL or NHL. However, overall survival does not appear to be worse in cases of MFH and CLL or NHL than in MFH alone.