Thursday, December 20, 2007 CBC News
They have already beaten the medical odds by surviving this long, but conjoined twins Krista and Tatiana will soon face their toughest challenge yet.
Conjoined twins Tatiana and Krista Hogan will undergo a vital operation in Vancouver in the new year, their mother said Wednesday.
Born 14 months ago and joined at the back of the head, portions of their brains are zippered together. But it's Tatiana's heart that is the problem, because it pumps blood for both girls and it's failing.
Medical experts say two of the girls' four brain lobes are connected and cannot be separated without causing severe mental impairment to both.
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