Colville on the sidelines Irish amateur Pat Colville fancies a long spell out of the saddle after sustaining serious injuries in a fall at Cheltenham on Tuesday.He was taken to Cheltenham General Hospital after falling from Duchamp in the Fulke Walwyn Kim Muir Chase and found to have suffered broken ribs and a 20 per cent collapsed lung.Colville was discharged from hospital at lunchtime today but the young rider, who is based at Ballydoyle with Aidan O`Brien, will have to return to hospital for a check-up in a month`s time.