His laboratory results included an elevated C-reactive protein (CRP) of 30 mg/L, erythrocyte sedimentation rate (ESR) of 43 mm/hr, and hemoglobin of 107 g/L, with a normal white blood cell (WBC) count (4.1 × 109 cells/L) and mild lymphopenia (0.9 × 109 cells/L). Here, CRP is linked to lymphopenia.