CRP and Increased total leukocyte count: Laboratory tests showed leukocytosis (white blood cell count of 13.8 × 10^9/L with neutrophil predominance; reference range: 4.2 - 10.3 × 109/L) and an elevated C-reactive protein (CRP) of 137 mg/L (upper limit <10 mg/L), suggesting an active inflammatory process.