 This is a hospital based cohort study where subjects diagnosed within twelve months with nonmuscle invasive bladder cancer will be evaluated to determine whether candidate genetic variants are associated with the risk of recurrence and progression. Known tumor variables will be stratified and correlated with markers. The long term goal is to estimate the predicted risk of recurrence or progression well enough to modify surveillance schedules. Since 40 of superficial bladder cancer patients will never recur or progress, these individuals could return less frequently for followup, saving costs and discomfort. All patients will receive usual care and be followed to determine rates of recurrence and progression of the disease. Each subject will donate 30 ml of blood for extraction of genomic DNA and isolation of lymphocytes to assess DNA damagerepair function. In addition, each subject who undergoes a transurethral resection of the bladder TURB andor random bladder biopsies as part of hisher usual care will donate urothelial cells from the random bladder biopsies for analyses of DNA damagerepair function. The DNA repair capacity of lymphocytes will be correlated with that of normal bladder tissue to evaluate the use of lymphocytes as a surrogate marker. When bladder biopsy tissue is not available, urothelial cells will be obtained from a cystoscopic or catheterized bladder lavage. 