My is 78 years old, possible Dementia and in the last nine months she has lost almost 30 pounds. Blood work shows low Lymphocytes, low RBC , Low Hemoglobin, Low Hematocrit, High RDW , High Folate Serum, High Total Protein, High Globulin, Low A/G Ratio, High Cholesterol , and High Magnesium. They will be performing a spinal tap next week. Should I be concerned?