The 35-year-old first began experiencing difficulty swallowing in February, and was eventually persuaded by his wife Nicole to visit a GP after he began suffering agonising chest pains that resembled a heart attack. The Ayr father has also seen an oncologist in London who has continued to speak with them through video consultations. John with his wife Nicole (Image: Supplied)His wife continued: "If John responds well with the London treatment, that would be the best news we could ever hope for. The event on Culzean Road will have live music from Davie Galloway, a buffet and there are prizes to be won. A number of businesses have donated so far, but the family is calling for further help and support.