<qa>  What is the maximum protein intake of patients with Stage IV and V Chronic Kidney Disease?- Minors 18 years of age, patients not considered surgical candidates, patients who do not go on to undergo radical cystectomy. Patients with Glomerular Filtration Rate GFR 30 will also be excluded in an attempt to limit protein intake of patients with Stage IV and V Chronic Kidney Disease. Diabetic patients will be allowed to participate. 