In pictures: Guinness medical record breakers
Largest intact tumour removed

The largest tumour ever removed intact was a multicystic mass of the right ovary weighing 137.6 kg (303 lb), performed by Professor Katherine O'Hanlan of Stanford University Medical Center, the US, in 1991.

The patient weighed 95 kg (210 lb) after the operation and left theatre on one stretcher. Her cyst left on another.

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