I received urine test results that show the following: Leukocyte Esterase - Positive, Ph UA - 5.5, Protein - 20, Mucus ur sed ql - Present, Budding Yeast Urine Sediment - present/HPF, Squamous Epithelial Cells - few/HPF I also have pain on my left side kidney area and back .. What could this this all mean ?