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In page Lydia Shum:

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Prior to a cholecystectomy done in 2002, she had bile duct inflammation in 1978 and again in 1989. On 22 September 2006, the inflammation recurred. Four days later, it had complicated her liver and she went into a coma until 1 October. Once again, on 29 January 2007, she entered the operating room to remove a liver tumor which weighed 2.7 kg. On 8 March 2007, the tumor was found to be growing so she had another surgery.[citation needed]