CRP and thymoma: We found the highest concentrations of pretreatment serum CRP in patients with TCs (2.33 ± 0.7 mg/dL) and the lowest CRP levels in WHO type AB and B2 thymomas (0.18 ± 0.03 mg/dL and 0.25 ± 0.08 mg/dL, respectively; Table 1).