Left-sided Abdominal Pain in a 45-yr-old Man

Results of appropriate testing return and show the following:

Urinalysis:

Test (units)	Result
Color: Yellow	pH: 5.8
Specific gravity	1.01
RBCs	20-25/HPF
WBCs	0-1/HPF
Leukocyte esterase	Negative
Nitrites	Negative
Bacteria	Negative

CBC:

Test (units)	Result	Results (SI Units)
Hemoglobin	14 g/dL	140 g/L
WBC count	5000/mcL	5.0 X 109/L
Platelet count	150,000/mcL	150 X 109/L

Basic metabolic profile:

Test (units)	Result	Results (SI Units)
Sodium	140 mEq/L	140 mmol/L
Potassium	4.0 mEq/L	4.0 mmol/L
Creatinine	0.7 mg/dL	62 micromol/L
Glucose	105 mg/dL	5.8 mmol/L