Blood test results revealed a normochromic normocytic anemia (hemoglobin 10.4 g/dL, MCV 90.9 fL) with renal impairment (blood urea nitrogen (BUN) 30 mg/dL, creatinine 1.8 mg/dL) and a normal prostate-specific antigen (PSA) level (4 ng/mL). Here, KLK3 is linked to anemia.