Morphologic evidence suggestive of host-tumor cell interactions in vivo in human cancer patients.
D001201:Ascites / Q000276:immunology*; D004804:Eosinophils; D006801:Humans; D007111:Immunity, Cellular; D008213:Lymphocyte Activation; D008264:Macrophages; D009369:Neoplasms / Q000276:immunology*; D010996:Pleural Effusion / Q000276:immunology*