Objectives In 'Objectives' Objectives Back to 'Bladder Cancer Prognosis Programme' Our objectives are as follows: To assess the effect of lifestyle factors (such as smoking, dietary habits, fluid intake and environmental exposures) on the recurrence and progression of bladder cancer. To study health related quality of life and its association with recurrence and progression of bladder cancer. To establish a bladder cancer tissue bank (that will comprise blood, urine, and bladder tissue). To study the predictive effect of molecular markers on the recurrence and progression of bladder cancer. To investigate whether selenium and/or vitamin E supplementation reduces the risk of recurrence and progression in patients with non-muscle-invasive bladder cancer.