"In my opinion, it was 100 per cent preventable. Yes, it was a tragic accident. If something happens, and everyone does everything properly, things happen... You live with it. When it's error after error, after error, after error, after behaviours that you can not even begin to get your head around - you get mad." Joan Rivers' daughter Melissa is convinced the iconic comedienne would still be alive if medics at New York's Yorkville Endoscopy clinic had been better prepared for an emergency after the star stopped breathing during a routine throat operation last September (14). Melissa Rivers filed suit against bosses at the medical centre in January (15).