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Table 2 The positivity of ROS1 by immunohistochemistry

From: Clinical and pathological significance of ROS1 expression in intrahepatic cholangiocarcinoma

ROS1 staining Number Percent   Number Percent
0 60 30.9 % Negative 122 62.9 %
1+ 62 32.0 %
2+ 70 36.1 % Positive 72 37.1 %
3+ 2 1.0 %
Total 194 100 % Total 194 100 %