Brain surgery patient kept awake during operation in scenes that will leave you feeling squirmish

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A new Channel 4 documentary is lifting the lid on brain surgery, and the immense pressure on surgeons where just one wrong move could have devastating consequences.
In tonight’s episode of Brain Surgeons: Between Life and Death, cameras are allowed behind the scenes of an operation, during which a tumour is being removed.
But be warned: it’s not for the faint-hearted, with su