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Sorry I couldn't keep up with all replies last night but appreciated them all non the less, thank you.
As regards Retro's 'Mist Brompton', I know that my Grandmother was finished this way nearly 50 yrs ago (again with cancer). Seems a humane thing to do. Why we stretch out life only to preserve suffering is beyond me???
I saw my father die a death that only a sadist would get satisfaction from because of 'humane laws'
Hope my mum dies a more peaceful death.
Thanks again for all replies.