Dawson Willcock, who is 20 months old, was diagnosed with hepatoblastoma, a form of liver cancer, in January but chemotherapy has failed to help him.His parents want to take him to Cincinnati and have started the "Dollar for Dawson" campaign.They were told the chances of getting the rare cancer are 0.9 in one million."You never think your child is going to get cancer. It always happens to other people - not to you," Dawson's mother Wendy Willcock said."Then on January 24 we got the official diagnosis - Dollar for Dawson that it was cancerous hepatoblastoma. The hardest thing is hearing that your child is chemo-resistant and nothing is going to work."

Canadian singer Michael Buble's son Noah was diagnosed with the same cancer in 2016, but has reportedly responded to treatment.

Dawson, who is from Sutton-in-Ashfield in Nottinghamshire, is currently receiving treatment at Queen's Medical Centre in Nottingham.