cancer has paid an emotional tribute to kindhearted donors helping to provide for her family when she is no longer here.Louise Colquhoun, 39, is planning what could be her last Christmas with husband John and their three sons after being given the shattering news that the cervical cancer she was diagnosed with just months ago is incurable.The accountant, from Ratho, West Lothian, is undergoing intensive treatment in the hope it will give her more time with her loved ones.And she has spoken of