Navigation for News Categories By Elspeth McLean of the Otago Daily Times Southern District Health Board's response to the damning report into colonoscopy access has been slammed by the co-author of the report, Christchurch surgeon Phil Bagshaw. The report, released yesterday, from Mr Bagshaw and gastroenterologist Dr Steven Ding, called for an urgent overhaul of the way the board managed colorectal cancer (CRC).