CRP and thymoma: We detected significantly higher CRP serum concentrations in patients with B3 thymomas compared to patients with A/AB/B1/B2 thymomas (B3 thymomas vs. A/AB/B1/B2 thymomas: CRP 2.05 ± 1.14 mg/dL vs. 0.32 ± 0.049 mg/dL; p = 0.009).