Davina McCall’s consultant neurosurgeon Kevin O’Neill gives a fascinating insight into the five-hour surgery he carried out on the TV star, navigating his way between the brain’s two hemispheres to successfully remove a rare colloidal cyst Davina nick-named ‘Jeffrey’.  Kevin recounts the journey into the centre of Davina’s brain and recalls the moment he came face to face with Jeffrey who, he laughs, was waving at him, smoking his pipe!  Kevin is passionate about the ground-breaking research he leads with the Brain Tumour Research Campaign. He co-founded BRTC more than 20 years ago with next week’s guest Wendy Fulcher who’ll be sharing her personal journey.