Immunological studies on esophageal cancer --cellular immunocompetence and histological responses in main tumor and regional lymph nodes in esophageal cancer patients.
D004938:Esophageal Neoplasms / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular; D008198:Lymph Nodes / Q000276:immunology*; D008213:Lymphocyte Activation; D012882:Skin Tests