Existing conditions travel insurance

JEM55

Hi
I am asking for my 85 year old Mum who is going to Majorca this month with her 87 year old friend.  Mum had lung cancer surgery in November 2022 and they removed all the cancer. At her last checkup in May, her specialist has given her a clean bill of health, said the cancer is gone and there are absolutely no signs of it returning - and told her to go on holiday and enjoy herself.  However when we went online to get her insurance sorted - and had to declare the lung cancer condition, the cheapest quote is £1.5k - this is for a 2 week holiday costing her about £1200!!  There doesn't seem to be anywhere where you can explain that the cancer is gone and she has been cleared.  You have to declare it but it's not there anymore and it's certainly not likely to suddenly return.  Can you please advise if there are any insurance companies that we can speak to on the telephone and explain the situation.  Thank you.