A mum who faces a bill of £85,000 to prolong her life after a cancer diagnosis hopes to see her son take his GCSEs.
Friends have rallied to try and raise enough money to send Sarah Pugh, 49, to Germany for treatment.
She diagnosed with glioblastoma, an aggressive form of cancer, in her brain in November 2020.
Doctors have only given Sarah, from Bristol, 14 to 16 months to live.
But she wants to still be alive when her son finishes his education - and immunotherapy could help.
A JustGiving page has been set up for Sarah.
This says that the treatment "creates a personalised vaccine made from the patient’s own immune cells to target and kill the cancer".
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But Germany is the nearest country to offer dendritic cell therapy - meaning tens of thousands of pounds are needed.
Treatment for three years costs a minimum of £70,000, plus travel expenses and accommodation.
And, the fundraising page says, "while ultimately there is no 'cure', the treatment has shown significant increases in survival rates".
Sarah told the BBC she would love to see her son, 12, finish his schooling.
"I want to get my son to his GCSEs - that would be amazing," she said.
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"Although getting him to do his homework might kill me off in the meantime."
To date, more than £53,000 has been raised for Sarah - but more is needed.
The page says: "Sarah and a helper will need to travel three or four times a year to Germany for the duration of the treatment.
"The initial treatment takes a week but after that, each trip is a couple of days.
"Any funds raised will be carefully and transparently managed by an independent team.
"If the treatment doesn’t work, any residual money will be donated to a similar fund."
Sarah added, of the cost: "My son needs a mum and there isn't an amount you can put on that."
The permaculture was diagnosed after she began struggling to speak properly in October 2020, the BBC said.
Sarah has since undergone surgery, radiotherapy and chemotherapy - but the tumour is still likely to grow within months.
The blurb on the fundraiser adds: "The oncologists have often told Sarah that they don’t want to give her 'false hope'.
"She's had words with them about that!
"Whilst fully accepting that an untimely death is incredibly likely, she's actively hoping to at least see her son through school.
"She's doing her best with what's in front of her."
Statistics from the Brain Tumour Charity show that 25 per of glioblastoma patients survive more than one year.
After that, five per cent of patients survive for more than five years - with only a tiny handful making it much beyond.
