Staging CD3 Negative CD3 Positive P value pT1 0 2   P=0.204 0% 5.7% pT2 2 12 5.7% 34.3% pT3 0 19 0% 54.3%   CD20 Negative CD20 Positive P value pT1 2 0   P=0.013 5.7% 0% pT2 14 0 40% 0% pT3 11 8 31.5% 22.8%   CD34 Negative CD34 Positive P value pT1 2 0   P=0.026 5.7% 0% pT2 3 11 8.6% 31.4% pT3 3 16 8.6% 45.7%

Table 2: CD3, CD20 and CD34 expression in choroidal melanoma of various staging.