<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am 50 yers old. My urine test showed presence of Calcium Oxalate crystal and USG report says Both kidneys are normal in size and position and showed slightly increased contical echoes pyramidal prominence. However, CMD is maintained UB and prostate are normal. Please exclude the possibility of renal parenchymal changes My blood test shows followings: Fasting Plasma Glucose 4.3 mmolL WBCs 1-2HPF RBCs NilHPF Epithelial Cells 0-1HPF Serum Urea 23 mgdl Serum Creatinine 0.7 mgdl Serum Uric Acid 5.2 mgdl Serum Cholesteral221 mgdl Serum Triglycerides 130 mgdl HDL Cholesterol 37 mgdl LDL Cholesterol 158 mgdl Please tell me what does it mean? AAA  <response>: Hi thanks for your question. It gives me pleasure to inform you that almost youre all investigations are normal. For your satisfaction I will explain each and every test:Calcium oxalate Normal constituent 1-2HPF Are of not much significance should be absent RBC nilHPF NormalEpithelial cells 0-1HPF Normal Plasma glucose 4.3mmoll NormalSerum urea 23 mgDL NormalSerum creatinine 0.7 mgDL Noncaloric acid 5.2 mgDL NormalSerum cholesterol 221mgDL slightly raisedSerum triglycerides 130 mgDL Normal HDL cholesterol 37 mgDL Normal LDL 158 mg Increased borderline Ultrasound report Normal CMD means corticomedullary differentiationSlight increased cortical echo pyramidal prominence Insignificant 