CRP and Venous thrombosis: A laboratory analysis showed moderate elevation of inflammatory markers (C-reactive protein [CRP] of 7.03 mg/dL [reference interval: 0–0.3 mg/dL], white blood cell [WBC] count of 4220/μL [reference interval: 3200–8500/μL], and neutrophil count rate of 62.3% [reference interval: 40%–74%]), and no deep venous thrombosis or slight fluid collection of the left knee joint was observed by ultrasound sonography.