Surgeons at Addenbrooke's Major Trauma Centre must operate on a single mum who has a severed spinal cord and a critically injured motorcyclist.rn　　Surgeons at Addenbrooke's Hospital perform brain surgery on a patient who is awake and attempt to repair a section of the body's biggest blood vessel that's threatening to burst.rn　　Surgeons at Addenbrooke's operate against the clock to re...