title: Neoplastic invasion and metastasis within the lymphoreticular system.
mesh_terms: D000818:Animals; D002455:Cell Division; D004195:Disease Models, Animal; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D008264:Macrophages / Q000502:physiology; D008854:Microscopy, Electron; D012157:Mononuclear Phagocyte System / Q000503:physiopathology*; D009374:Neoplasms, Experimental / Q000473:pathology / Q000503:physiopathology*; D051381:Rats