Cystoscopy in bladder cancer.

EDITOR, - R R Hall and colleagues1 support the Medical Research Council's proposals for changes in cystoscopic follow up of patients with bladder cancer and adjuvant intravesical chemotherapy.2 We with to add some words of caution. One of us (DAT) was a coauthov of the Medical Research Council's paper and recognised that the population with superficial bladder cancer on which the conclusions were drawn was biased in …