The HLA-D/Dr~+tumor cells were either scattered in small groups or widely distributed in alveolidecorated by dark brownish granules on the cell membrane. The expression ofHLA-D/Dr antigen on tumor cells ran parallel to the degree of cellular anaplasia.

• 结果发现；18例癌细胞表达HLA-D/Dr抗原；占81.；82%25；阳性癌细胞呈灶状、巢片状、少数为散在点状分布。