"Walking miracle" celebrates fifth birthday after doctors told parents giant 4lb tumour would kill her at birth

“Walking miracle” turns five after doctors said 4lb tumour would kill or cripple herParents told to plan a funeral before birth Surgeons had to take away tail end of spine during seven-hour operation “Walking miracle” started school this September She looks like any other normal five-year-old girl, but Marnie Dunnill was blighted by a life-threatening tumour that doctors feared would kill her in the womb.