Although rare, cancer is the leading cause of death from disease among children under 15 in the UK - yet just under a third of parents say they feel confident recognising the symptoms.
It includes a rule-of-three for professionals: If a child has had three persistent symptoms, or has visited their doctor three times, or has had three weeks of unexplained symptoms consider making a referral.
" Amelia is currently in remission, undergoing regular bone marrow and blood tests every three months, and has returned to school.
"It was only when he started to get a swelling across the bridge of his nose that we thought right, we need to take him to the GP, " Lynsey says.
' "That's why I'm doing this, to make sure that people know who Jake is, to make sure people know how incredible he was.