[Proceedings: Immunological study of regression of metastatic neoplasm in lymph nodes].
D000818:Animals; D008198:Lymph Nodes / Q000276:immunology*; D008207:Lymphatic Metastasis / Q000276:immunology*; D009365:Neoplasm Regression, Spontaneous; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental; D051381:Rats; D014184:Transplantation, Homologous