Table 1: This table outlines the initial laboratory testing that was done when the patient first presented to the ER after having symptoms (generalized back pain, and intermittent fevers) for 2 week and a newly presented left groin lump.

Laboratory testing/Radiologic work-up

Results

Complete Blood Count

White blood cell count:10.69 /nL

Segmented Neutrophils: 48 %

Lymphocytes: 38.4 %

Monocytes: 9.8 %

Eosinophils: 2.8 %

Hemoglobin: 12.3 g/dL

Hematocrit: 36.5 %

Complete Metabolic Panel

Sodium: 139 mEq/L

Potassium: 4.5 mEq/L

Chloride: 101 mEq/L

Bicarbonate: 26.5 mEq/L

Blood Urea Nitrogen: 9 mg/dL

Creatinine: 0.5 mg/dL

Calcium: 9.1 mg/dL

Glucose: 92 mg/dL

Albumin: 4.1 g/dL

Total Protein: 6.8 g/dL

Total bilirubin: 0.3 mg/dL

Alanine Transaminase: 63 U/L

Aspartate Aminotransferase: 33 U/L

Alkaline Phosphatase: 180 U/L

Spinal X-ray

Normal studies

Ultrasound of the left groin

Enlarged lymph node without a fluid collection