An inquest heard how Victoria Harrison, who was 17, died in Kettering General Hospital following routine surgery that went wrong.
Recording a narrative verdict the coroner said there had been a catalogue of fatal errors.
The family of Victoria say it's been a harrowing couple of days - hearing evidence into the inquest of her death.
Click below to see a full report from ITV Anglia's Dani Crawshaw:
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Becoming cloudier and breezier into the evening, with a little light rain at times. It will be much milder than of late. Lows of 7 deg C.
A row of listed cottages on Norfolk's Blickling Estate have been destroyed by fire which spread through its thatched roof.
Staying mainly dry this afternoon and feeling relatively warm. Highs today of 16 deg C.