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. 1999 Jul;117(1):1–7. doi: 10.1046/j.1365-2249.1999.00933.x

Fig. 2.

Fig. 2

(a) HLA-ABC (MHC class I) expression on epithelial cells (upper) and CD3 expression among CD4−CD8+ lymphocytes (lower) in typical cases. Solid lines show the negative control stains. The expression level was judged by D value in Kolmogorov–Smirnov statistics for MHC and the percentage for CD3. A normal thymus is presented as a positive control. (b) HLA-ABC expression of all thymoma cases and normal thymi. Thymoma: D = 0.93 ± 0.05 versus normal thymus: D = 0.92 ± 0.05, not significant (NS).