title: Histopathology of immunologic regresssion of tumor metastasis in the lymph nodes.
mesh_terms: D000818:Animals; D005354:Fibrosarcoma / Q000276:immunology / Q000382:microbiology / Q000473:pathology*; D005622:Friend murine leukemia virus; D006644:Histiocytes; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000276:immunology* / Q000473:pathology; D008214:Lymphocytes; D009365:Neoplasm Regression, Spontaneous; D009368:Neoplasm Transplantation; D010950:Plasma Cells; D051381:Rats; D012156:Reticulocytes; D014184:Transplantation, Homologous