• Inclusion of data on all primary patients undergoing TURB treated.

• There is no minimum or maximum of number of sites participating in this study, however, all sites must receive prior approval of the CROES council.

• Subject to the approval of the CROES council, the lead investigator at study sites should preferably be a member of the Endourological Society and in good standing. Subject to the approval of the CROES council, study sites may be proposed by the members from the Steering committee or on recommendation from a third party.

• Electronic database will be maintained at the central data collection site selected by the CROES council and shall be updated on a regular basis as determined by the CROES council. A manager, selected by the CROES council, at the central data collection site will maintain and coordinate the data collection.  

• Prior to approval of the site by the CROES council, for quality assurance, an IRB approval will be provided to the central data collection centre.

• The members of the study group will receive feedback on the data collected on a regular basis, as determined by the CROES council. 

• The data analysis shall be the responsibility of the Steering committee for the study group.

• The Steering committee shall be comprised of 11 international members including a chairman. A good balance among the different treatment specialists is desirable. Representatives of the CROES council may be joining during the Steering committee meetings.